26245840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 66424320

約数和(自身を除く): 40178480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 557, 589, 620, 760, 1114, 1178, 1240, 1520, 2228, 2356, 2480, 2785, 2945, 4456, 4712, 5570, 5890, 8912, 9424, 10583, 11140, 11780, 17267, 21166, 22280, 23560, 34534, 42332, 44560, 47120, 52915, 69068, 84664, 86335, 105830, 138136, 169328, 172670, 211660, 276272, 328073, 345340, 423320, 656146, 690680, 846640, 1312292, 1381360, 1640365, 2624584, 3280730, 5249168, 6561460, 13122920, 26245840]

約数ペア:

[(1, 26245840), (2, 13122920), (4, 6561460), (5, 5249168), (8, 3280730), (10, 2624584), (16, 1640365), (19, 1381360), (20, 1312292), (31, 846640), (38, 690680), (40, 656146), (62, 423320), (76, 345340), (80, 328073), (95, 276272), (124, 211660), (152, 172670), (155, 169328), (190, 138136), (248, 105830), (304, 86335), (310, 84664), (380, 69068), (496, 52915), (557, 47120), (589, 44560), (620, 42332), (760, 34534), (1114, 23560), (1178, 22280), (1240, 21166), (1520, 17267), (2228, 11780), (2356, 11140), (2480, 10583), (2785, 9424), (2945, 8912), (4456, 5890), (4712, 5570)]