8680340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 19595520

約数和(自身を除く): 10915180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 431, 530, 862, 1007, 1060, 1724, 2014, 2155, 4028, 4310, 5035, 8189, 8620, 10070, 16378, 20140, 22843, 32756, 40945, 45686, 81890, 91372, 114215, 163780, 228430, 434017, 456860, 868034, 1736068, 2170085, 4340170, 8680340]

約数ペア:

[(1, 8680340), (2, 4340170), (4, 2170085), (5, 1736068), (10, 868034), (19, 456860), (20, 434017), (38, 228430), (53, 163780), (76, 114215), (95, 91372), (106, 81890), (190, 45686), (212, 40945), (265, 32756), (380, 22843), (431, 20140), (530, 16378), (862, 10070), (1007, 8620), (1060, 8189), (1724, 5035), (2014, 4310), (2155, 4028)]