40259830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 82555200

約数和(自身を除く): 42295370

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 59, 65, 118, 130, 145, 181, 290, 295, 362, 377, 590, 754, 767, 905, 1534, 1711, 1810, 1885, 2353, 3422, 3770, 3835, 4706, 5249, 7670, 8555, 10498, 10679, 11765, 17110, 21358, 22243, 23530, 26245, 44486, 52490, 53395, 68237, 106790, 111215, 136474, 138827, 222430, 277654, 309691, 341185, 619382, 682370, 694135, 1388270, 1548455, 3096910, 4025983, 8051966, 20129915, 40259830]

約数ペア:

[(1, 40259830), (2, 20129915), (5, 8051966), (10, 4025983), (13, 3096910), (26, 1548455), (29, 1388270), (58, 694135), (59, 682370), (65, 619382), (118, 341185), (130, 309691), (145, 277654), (181, 222430), (290, 138827), (295, 136474), (362, 111215), (377, 106790), (590, 68237), (754, 53395), (767, 52490), (905, 44486), (1534, 26245), (1711, 23530), (1810, 22243), (1885, 21358), (2353, 17110), (3422, 11765), (3770, 10679), (3835, 10498), (4706, 8555), (5249, 7670)]