77884040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7883}}^1$

素因数の和:7926

約数の個数: 64

約数和(自身を含む): 198676800

約数和(自身を除く): 120792760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 7883, 9880, 15766, 31532, 39415, 63064, 78830, 102479, 149777, 157660, 204958, 299554, 315320, 409916, 512395, 599108, 748885, 819832, 1024790, 1198216, 1497770, 1947101, 2049580, 2995540, 3894202, 4099160, 5991080, 7788404, 9735505, 15576808, 19471010, 38942020, 77884040]

約数ペア:

[(1, 77884040), (2, 38942020), (4, 19471010), (5, 15576808), (8, 9735505), (10, 7788404), (13, 5991080), (19, 4099160), (20, 3894202), (26, 2995540), (38, 2049580), (40, 1947101), (52, 1497770), (65, 1198216), (76, 1024790), (95, 819832), (104, 748885), (130, 599108), (152, 512395), (190, 409916), (247, 315320), (260, 299554), (380, 204958), (494, 157660), (520, 149777), (760, 102479), (988, 78830), (1235, 63064), (1976, 39415), (2470, 31532), (4940, 15766), (7883, 9880)]