50780920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 121572000

約数和(自身を除く): 70791080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 613, 760, 872, 1090, 1226, 2071, 2180, 2452, 3065, 4142, 4360, 4904, 6130, 8284, 10355, 11647, 12260, 16568, 20710, 23294, 24520, 41420, 46588, 58235, 66817, 82840, 93176, 116470, 133634, 232940, 267268, 334085, 465880, 534536, 668170, 1269523, 1336340, 2539046, 2672680, 5078092, 6347615, 10156184, 12695230, 25390460, 50780920]

約数ペア:

[(1, 50780920), (2, 25390460), (4, 12695230), (5, 10156184), (8, 6347615), (10, 5078092), (19, 2672680), (20, 2539046), (38, 1336340), (40, 1269523), (76, 668170), (95, 534536), (109, 465880), (152, 334085), (190, 267268), (218, 232940), (380, 133634), (436, 116470), (545, 93176), (613, 82840), (760, 66817), (872, 58235), (1090, 46588), (1226, 41420), (2071, 24520), (2180, 23294), (2452, 20710), (3065, 16568), (4142, 12260), (4360, 11647), (4904, 10355), (6130, 8284)]