1245890540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1\times {\mathrm{1019}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 2646997920

約数和(自身を除く): 1401107380

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 541, 565, 1019, 1082, 1130, 2038, 2164, 2260, 2705, 4076, 5095, 5410, 10190, 10820, 20380, 61133, 115147, 122266, 230294, 244532, 305665, 460588, 551279, 575735, 611330, 1102558, 1151470, 1222660, 2205116, 2302940, 2756395, 5512790, 11025580, 62294527, 124589054, 249178108, 311472635, 622945270, 1245890540]

約数ペア:

[(1, 1245890540), (2, 622945270), (4, 311472635), (5, 249178108), (10, 124589054), (20, 62294527), (113, 11025580), (226, 5512790), (452, 2756395), (541, 2302940), (565, 2205116), (1019, 1222660), (1082, 1151470), (1130, 1102558), (2038, 611330), (2164, 575735), (2260, 551279), (2705, 460588), (4076, 305665), (5095, 244532), (5410, 230294), (10190, 122266), (10820, 115147), (20380, 61133)]