25403960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 60886080

約数和(自身を除く): 35482120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 521, 530, 920, 1042, 1060, 1219, 2084, 2120, 2438, 2605, 4168, 4876, 5210, 6095, 9752, 10420, 11983, 12190, 20840, 23966, 24380, 27613, 47932, 48760, 55226, 59915, 95864, 110452, 119830, 138065, 220904, 239660, 276130, 479320, 552260, 635099, 1104520, 1270198, 2540396, 3175495, 5080792, 6350990, 12701980, 25403960]

約数ペア:

[(1, 25403960), (2, 12701980), (4, 6350990), (5, 5080792), (8, 3175495), (10, 2540396), (20, 1270198), (23, 1104520), (40, 635099), (46, 552260), (53, 479320), (92, 276130), (106, 239660), (115, 220904), (184, 138065), (212, 119830), (230, 110452), (265, 95864), (424, 59915), (460, 55226), (521, 48760), (530, 47932), (920, 27613), (1042, 24380), (1060, 23966), (1219, 20840), (2084, 12190), (2120, 11983), (2438, 10420), (2605, 9752), (4168, 6095), (4876, 5210)]