2028260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 4762800

約数和(自身を除く): 2734540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 269, 290, 377, 538, 580, 754, 1076, 1345, 1508, 1885, 2690, 3497, 3770, 5380, 6994, 7540, 7801, 13988, 15602, 17485, 31204, 34970, 39005, 69940, 78010, 101413, 156020, 202826, 405652, 507065, 1014130, 2028260]

約数ペア:

[(1, 2028260), (2, 1014130), (4, 507065), (5, 405652), (10, 202826), (13, 156020), (20, 101413), (26, 78010), (29, 69940), (52, 39005), (58, 34970), (65, 31204), (116, 17485), (130, 15602), (145, 13988), (260, 7801), (269, 7540), (290, 6994), (377, 5380), (538, 3770), (580, 3497), (754, 2690), (1076, 1885), (1345, 1508)]