12462512840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{18251}}^1$

素因数の和:18702

約数の個数: 64

約数和(自身を含む): 28766612160

約数和(自身を除く): 16304099320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 397, 430, 794, 860, 1588, 1720, 1985, 3176, 3970, 7940, 15880, 17071, 18251, 34142, 36502, 68284, 73004, 85355, 91255, 136568, 146008, 170710, 182510, 341420, 365020, 682840, 730040, 784793, 1569586, 3139172, 3923965, 6278344, 7245647, 7847930, 14491294, 15695860, 28982588, 31391720, 36228235, 57965176, 72456470, 144912940, 289825880, 311562821, 623125642, 1246251284, 1557814105, 2492502568, 3115628210, 6231256420, 12462512840]

約数ペア:

[(1, 12462512840), (2, 6231256420), (4, 3115628210), (5, 2492502568), (8, 1557814105), (10, 1246251284), (20, 623125642), (40, 311562821), (43, 289825880), (86, 144912940), (172, 72456470), (215, 57965176), (344, 36228235), (397, 31391720), (430, 28982588), (794, 15695860), (860, 14491294), (1588, 7847930), (1720, 7245647), (1985, 6278344), (3176, 3923965), (3970, 3139172), (7940, 1569586), (15880, 784793), (17071, 730040), (18251, 682840), (34142, 365020), (36502, 341420), (68284, 182510), (73004, 170710), (85355, 146008), (91255, 136568)]