17745260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 40515552

約数和(自身を除く): 22770292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 521, 524, 655, 1042, 1310, 1703, 2084, 2605, 2620, 3406, 5210, 6773, 6812, 8515, 10420, 13546, 17030, 27092, 33865, 34060, 67730, 68251, 135460, 136502, 273004, 341255, 682510, 887263, 1365020, 1774526, 3549052, 4436315, 8872630, 17745260]

約数ペア:

[(1, 17745260), (2, 8872630), (4, 4436315), (5, 3549052), (10, 1774526), (13, 1365020), (20, 887263), (26, 682510), (52, 341255), (65, 273004), (130, 136502), (131, 135460), (260, 68251), (262, 67730), (521, 34060), (524, 33865), (655, 27092), (1042, 17030), (1310, 13546), (1703, 10420), (2084, 8515), (2605, 6812), (2620, 6773), (3406, 5210)]