28477840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11483}}^1$

素因数の和:11527

約数の個数: 40

約数和(自身を含む): 68352768

約数和(自身を除く): 39874928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11483, 22966, 45932, 57415, 91864, 114830, 183728, 229660, 355973, 459320, 711946, 918640, 1423892, 1779865, 2847784, 3559730, 5695568, 7119460, 14238920, 28477840]

約数ペア:

[(1, 28477840), (2, 14238920), (4, 7119460), (5, 5695568), (8, 3559730), (10, 2847784), (16, 1779865), (20, 1423892), (31, 918640), (40, 711946), (62, 459320), (80, 355973), (124, 229660), (155, 183728), (248, 114830), (310, 91864), (496, 57415), (620, 45932), (1240, 22966), (2480, 11483)]