88408840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 231608160

約数和(自身を除く): 143199320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 73, 85, 104, 130, 136, 137, 146, 170, 221, 260, 274, 292, 340, 365, 442, 520, 548, 584, 680, 685, 730, 884, 949, 1096, 1105, 1241, 1370, 1460, 1768, 1781, 1898, 2210, 2329, 2482, 2740, 2920, 3562, 3796, 4420, 4658, 4745, 4964, 5480, 6205, 7124, 7592, 8840, 8905, 9316, 9490, 9928, 10001, 11645, 12410, 14248, 16133, 17810, 18632, 18980, 20002, 23290, 24820, 30277, 32266, 35620, 37960, 40004, 46580, 49640, 50005, 60554, 64532, 71240, 80008, 80665, 93160, 100010, 121108, 129064, 130013, 151385, 161330, 170017, 200020, 242216, 260026, 302770, 322660, 340034, 400040, 520052, 605540, 645320, 650065, 680068, 850085, 1040104, 1211080, 1300130, 1360136, 1700170, 2210221, 2600260, 3400340, 4420442, 5200520, 6800680, 8840884, 11051105, 17681768, 22102210, 44204420, 88408840]

約数ペア:

[(1, 88408840), (2, 44204420), (4, 22102210), (5, 17681768), (8, 11051105), (10, 8840884), (13, 6800680), (17, 5200520), (20, 4420442), (26, 3400340), (34, 2600260), (40, 2210221), (52, 1700170), (65, 1360136), (68, 1300130), (73, 1211080), (85, 1040104), (104, 850085), (130, 680068), (136, 650065), (137, 645320), (146, 605540), (170, 520052), (221, 400040), (260, 340034), (274, 322660), (292, 302770), (340, 260026), (365, 242216), (442, 200020), (520, 170017), (548, 161330), (584, 151385), (680, 130013), (685, 129064), (730, 121108), (884, 100010), (949, 93160), (1096, 80665), (1105, 80008), (1241, 71240), (1370, 64532), (1460, 60554), (1768, 50005), (1781, 49640), (1898, 46580), (2210, 40004), (2329, 37960), (2482, 35620), (2740, 32266), (2920, 30277), (3562, 24820), (3796, 23290), (4420, 20002), (4658, 18980), (4745, 18632), (4964, 17810), (5480, 16133), (6205, 14248), (7124, 12410), (7592, 11645), (8840, 10001), (8905, 9928), (9316, 9490)]