21880452800

素因数分解:

$2^6\times 5^2\times {\mathrm{313}}^1\times {\mathrm{43691}}^1$

素因数の和:44026

約数の個数: 84

約数和(自身を含む): 54012836856

約数和(自身を除く): 32132384056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 313, 320, 400, 626, 800, 1252, 1565, 1600, 2504, 3130, 5008, 6260, 7825, 10016, 12520, 15650, 20032, 25040, 31300, 43691, 50080, 62600, 87382, 100160, 125200, 174764, 218455, 250400, 349528, 436910, 500800, 699056, 873820, 1092275, 1398112, 1747640, 2184550, 2796224, 3495280, 4369100, 6990560, 8738200, 13675283, 13981120, 17476400, 27350566, 34952800, 54701132, 68376415, 69905600, 109402264, 136752830, 218804528, 273505660, 341882075, 437609056, 547011320, 683764150, 875218112, 1094022640, 1367528300, 2188045280, 2735056600, 4376090560, 5470113200, 10940226400, 21880452800]

約数ペア:

[(1, 21880452800), (2, 10940226400), (4, 5470113200), (5, 4376090560), (8, 2735056600), (10, 2188045280), (16, 1367528300), (20, 1094022640), (25, 875218112), (32, 683764150), (40, 547011320), (50, 437609056), (64, 341882075), (80, 273505660), (100, 218804528), (160, 136752830), (200, 109402264), (313, 69905600), (320, 68376415), (400, 54701132), (626, 34952800), (800, 27350566), (1252, 17476400), (1565, 13981120), (1600, 13675283), (2504, 8738200), (3130, 6990560), (5008, 4369100), (6260, 3495280), (7825, 2796224), (10016, 2184550), (12520, 1747640), (15650, 1398112), (20032, 1092275), (25040, 873820), (31300, 699056), (43691, 500800), (50080, 436910), (62600, 349528), (87382, 250400), (100160, 218455), (125200, 174764)]