4975100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 12030480

約数和(自身を除く): 7055380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 89, 100, 130, 172, 178, 215, 260, 325, 356, 430, 445, 559, 650, 860, 890, 1075, 1118, 1157, 1300, 1780, 2150, 2225, 2236, 2314, 2795, 3827, 4300, 4450, 4628, 5590, 5785, 7654, 8900, 11180, 11570, 13975, 15308, 19135, 23140, 27950, 28925, 38270, 49751, 55900, 57850, 76540, 95675, 99502, 115700, 191350, 199004, 248755, 382700, 497510, 995020, 1243775, 2487550, 4975100]

約数ペア:

[(1, 4975100), (2, 2487550), (4, 1243775), (5, 995020), (10, 497510), (13, 382700), (20, 248755), (25, 199004), (26, 191350), (43, 115700), (50, 99502), (52, 95675), (65, 76540), (86, 57850), (89, 55900), (100, 49751), (130, 38270), (172, 28925), (178, 27950), (215, 23140), (260, 19135), (325, 15308), (356, 13975), (430, 11570), (445, 11180), (559, 8900), (650, 7654), (860, 5785), (890, 5590), (1075, 4628), (1118, 4450), (1157, 4300), (1300, 3827), (1780, 2795), (2150, 2314), (2225, 2236)]