12701980

素因数分解:

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

素因数の和:606

約数の個数: 48

約数和(自身を含む): 28413504

約数和(自身を除く): 15711524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 521, 530, 1042, 1060, 1219, 2084, 2438, 2605, 4876, 5210, 6095, 10420, 11983, 12190, 23966, 24380, 27613, 47932, 55226, 59915, 110452, 119830, 138065, 239660, 276130, 552260, 635099, 1270198, 2540396, 3175495, 6350990, 12701980]

約数ペア:

[(1, 12701980), (2, 6350990), (4, 3175495), (5, 2540396), (10, 1270198), (20, 635099), (23, 552260), (46, 276130), (53, 239660), (92, 138065), (106, 119830), (115, 110452), (212, 59915), (230, 55226), (265, 47932), (460, 27613), (521, 24380), (530, 23966), (1042, 12190), (1060, 11983), (1219, 10420), (2084, 6095), (2438, 5210), (2605, 4876)]