27960920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3163}}^1$

素因数の和:3204

約数の個数: 64

約数和(自身を含む): 71759520

約数和(自身を除く): 43798600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 3163, 4420, 6326, 8840, 12652, 15815, 25304, 31630, 41119, 53771, 63260, 82238, 107542, 126520, 164476, 205595, 215084, 268855, 328952, 411190, 430168, 537710, 699023, 822380, 1075420, 1398046, 1644760, 2150840, 2796092, 3495115, 5592184, 6990230, 13980460, 27960920]

約数ペア:

[(1, 27960920), (2, 13980460), (4, 6990230), (5, 5592184), (8, 3495115), (10, 2796092), (13, 2150840), (17, 1644760), (20, 1398046), (26, 1075420), (34, 822380), (40, 699023), (52, 537710), (65, 430168), (68, 411190), (85, 328952), (104, 268855), (130, 215084), (136, 205595), (170, 164476), (221, 126520), (260, 107542), (340, 82238), (442, 63260), (520, 53771), (680, 41119), (884, 31630), (1105, 25304), (1768, 15815), (2210, 12652), (3163, 8840), (4420, 6326)]