28095920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11329}}^1$

素因数の和:11373

約数の個数: 40

約数和(自身を含む): 67436160

約数和(自身を除く): 39340240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11329, 22658, 45316, 56645, 90632, 113290, 181264, 226580, 351199, 453160, 702398, 906320, 1404796, 1755995, 2809592, 3511990, 5619184, 7023980, 14047960, 28095920]

約数ペア:

[(1, 28095920), (2, 14047960), (4, 7023980), (5, 5619184), (8, 3511990), (10, 2809592), (16, 1755995), (20, 1404796), (31, 906320), (40, 702398), (62, 453160), (80, 351199), (124, 226580), (155, 181264), (248, 113290), (310, 90632), (496, 56645), (620, 45316), (1240, 22658), (2480, 11329)]