28818400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 80713584

約数和(自身を除く): 51895184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 160, 163, 170, 200, 208, 221, 260, 272, 325, 326, 340, 400, 416, 425, 442, 520, 544, 650, 652, 680, 800, 815, 850, 884, 1040, 1105, 1300, 1304, 1360, 1630, 1700, 1768, 2080, 2119, 2210, 2600, 2608, 2720, 2771, 3260, 3400, 3536, 4075, 4238, 4420, 5200, 5216, 5525, 5542, 6520, 6800, 7072, 8150, 8476, 8840, 10400, 10595, 11050, 11084, 13040, 13600, 13855, 16300, 16952, 17680, 21190, 22100, 22168, 26080, 27710, 32600, 33904, 35360, 36023, 42380, 44200, 44336, 52975, 55420, 65200, 67808, 69275, 72046, 84760, 88400, 88672, 105950, 110840, 130400, 138550, 144092, 169520, 176800, 180115, 211900, 221680, 277100, 288184, 339040, 360230, 423800, 443360, 554200, 576368, 720460, 847600, 900575, 1108400, 1152736, 1440920, 1695200, 1801150, 2216800, 2881840, 3602300, 5763680, 7204600, 14409200, 28818400]

約数ペア:

[(1, 28818400), (2, 14409200), (4, 7204600), (5, 5763680), (8, 3602300), (10, 2881840), (13, 2216800), (16, 1801150), (17, 1695200), (20, 1440920), (25, 1152736), (26, 1108400), (32, 900575), (34, 847600), (40, 720460), (50, 576368), (52, 554200), (65, 443360), (68, 423800), (80, 360230), (85, 339040), (100, 288184), (104, 277100), (130, 221680), (136, 211900), (160, 180115), (163, 176800), (170, 169520), (200, 144092), (208, 138550), (221, 130400), (260, 110840), (272, 105950), (325, 88672), (326, 88400), (340, 84760), (400, 72046), (416, 69275), (425, 67808), (442, 65200), (520, 55420), (544, 52975), (650, 44336), (652, 44200), (680, 42380), (800, 36023), (815, 35360), (850, 33904), (884, 32600), (1040, 27710), (1105, 26080), (1300, 22168), (1304, 22100), (1360, 21190), (1630, 17680), (1700, 16952), (1768, 16300), (2080, 13855), (2119, 13600), (2210, 13040), (2600, 11084), (2608, 11050), (2720, 10595), (2771, 10400), (3260, 8840), (3400, 8476), (3536, 8150), (4075, 7072), (4238, 6800), (4420, 6520), (5200, 5542), (5216, 5525)]