159358420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{887}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 361323648

約数和(自身を除く): 201965228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 691, 887, 1382, 1774, 2764, 3455, 3548, 4435, 6910, 8870, 8983, 11531, 13820, 17740, 17966, 23062, 35932, 44915, 46124, 57655, 89830, 115310, 179660, 230620, 612917, 1225834, 2451668, 3064585, 6129170, 7967921, 12258340, 15935842, 31871684, 39839605, 79679210, 159358420]

約数ペア:

[(1, 159358420), (2, 79679210), (4, 39839605), (5, 31871684), (10, 15935842), (13, 12258340), (20, 7967921), (26, 6129170), (52, 3064585), (65, 2451668), (130, 1225834), (260, 612917), (691, 230620), (887, 179660), (1382, 115310), (1774, 89830), (2764, 57655), (3455, 46124), (3548, 44915), (4435, 35932), (6910, 23062), (8870, 17966), (8983, 17740), (11531, 13820)]