78672100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:929

約数の個数: 72

約数和(自身を含む): 186593960

約数和(自身を除く): 107921860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 260, 292, 325, 365, 650, 730, 829, 949, 1300, 1460, 1658, 1825, 1898, 3316, 3650, 3796, 4145, 4745, 7300, 8290, 9490, 10777, 16580, 18980, 20725, 21554, 23725, 41450, 43108, 47450, 53885, 60517, 82900, 94900, 107770, 121034, 215540, 242068, 269425, 302585, 538850, 605170, 786721, 1077700, 1210340, 1512925, 1573442, 3025850, 3146884, 3933605, 6051700, 7867210, 15734420, 19668025, 39336050, 78672100]

約数ペア:

[(1, 78672100), (2, 39336050), (4, 19668025), (5, 15734420), (10, 7867210), (13, 6051700), (20, 3933605), (25, 3146884), (26, 3025850), (50, 1573442), (52, 1512925), (65, 1210340), (73, 1077700), (100, 786721), (130, 605170), (146, 538850), (260, 302585), (292, 269425), (325, 242068), (365, 215540), (650, 121034), (730, 107770), (829, 94900), (949, 82900), (1300, 60517), (1460, 53885), (1658, 47450), (1825, 43108), (1898, 41450), (3316, 23725), (3650, 21554), (3796, 20725), (4145, 18980), (4745, 16580), (7300, 10777), (8290, 9490)]