202210520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 472055040

約数和(自身を除く): 269844520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 313, 521, 620, 626, 1042, 1240, 1252, 1565, 2084, 2504, 2605, 3130, 4168, 5210, 6260, 9703, 10420, 12520, 16151, 19406, 20840, 32302, 38812, 48515, 64604, 77624, 80755, 97030, 129208, 161510, 163073, 194060, 323020, 326146, 388120, 646040, 652292, 815365, 1304584, 1630730, 3261460, 5055263, 6522920, 10110526, 20221052, 25276315, 40442104, 50552630, 101105260, 202210520]

約数ペア:

[(1, 202210520), (2, 101105260), (4, 50552630), (5, 40442104), (8, 25276315), (10, 20221052), (20, 10110526), (31, 6522920), (40, 5055263), (62, 3261460), (124, 1630730), (155, 1304584), (248, 815365), (310, 652292), (313, 646040), (521, 388120), (620, 326146), (626, 323020), (1042, 194060), (1240, 163073), (1252, 161510), (1565, 129208), (2084, 97030), (2504, 80755), (2605, 77624), (3130, 64604), (4168, 48515), (5210, 38812), (6260, 32302), (9703, 20840), (10420, 19406), (12520, 16151)]