138441040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55823}}^1$

素因数の和:55867

約数の個数: 40

約数和(自身を含む): 332264448

約数和(自身を除く): 193823408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 55823, 111646, 223292, 279115, 446584, 558230, 893168, 1116460, 1730513, 2232920, 3461026, 4465840, 6922052, 8652565, 13844104, 17305130, 27688208, 34610260, 69220520, 138441040]

約数ペア:

[(1, 138441040), (2, 69220520), (4, 34610260), (5, 27688208), (8, 17305130), (10, 13844104), (16, 8652565), (20, 6922052), (31, 4465840), (40, 3461026), (62, 2232920), (80, 1730513), (124, 1116460), (155, 893168), (248, 558230), (310, 446584), (496, 279115), (620, 223292), (1240, 111646), (2480, 55823)]