139620650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2719}}^1$

素因数の和:2823

約数の個数: 48

約数和(自身を含む): 283315200

約数和(自身を除く): 143694550

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 790, 1027, 1975, 2054, 2719, 3950, 5135, 5438, 10270, 13595, 25675, 27190, 35347, 51350, 67975, 70694, 135950, 176735, 214801, 353470, 429602, 883675, 1074005, 1767350, 2148010, 2792413, 5370025, 5584826, 10740050, 13962065, 27924130, 69810325, 139620650]

約数ペア:

[(1, 139620650), (2, 69810325), (5, 27924130), (10, 13962065), (13, 10740050), (25, 5584826), (26, 5370025), (50, 2792413), (65, 2148010), (79, 1767350), (130, 1074005), (158, 883675), (325, 429602), (395, 353470), (650, 214801), (790, 176735), (1027, 135950), (1975, 70694), (2054, 67975), (2719, 51350), (3950, 35347), (5135, 27190), (5438, 25675), (10270, 13595)]