112278920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215921}}^1$

素因数の和:215945

約数の個数: 32

約数和(自身を含む): 272061720

約数和(自身を除く): 159782800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 215921, 431842, 863684, 1079605, 1727368, 2159210, 2806973, 4318420, 5613946, 8636840, 11227892, 14034865, 22455784, 28069730, 56139460, 112278920]

約数ペア:

[(1, 112278920), (2, 56139460), (4, 28069730), (5, 22455784), (8, 14034865), (10, 11227892), (13, 8636840), (20, 5613946), (26, 4318420), (40, 2806973), (52, 2159210), (65, 1727368), (104, 1079605), (130, 863684), (260, 431842), (520, 215921)]