26450480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 70977600

約数和(自身を除く): 44527120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 317, 560, 596, 634, 745, 1043, 1192, 1268, 1490, 1585, 2086, 2219, 2384, 2536, 2980, 3170, 4172, 4438, 5072, 5215, 5960, 6340, 8344, 8876, 10430, 11095, 11920, 12680, 16688, 17752, 20860, 22190, 25360, 35504, 41720, 44380, 47233, 83440, 88760, 94466, 177520, 188932, 236165, 330631, 377864, 472330, 661262, 755728, 944660, 1322524, 1653155, 1889320, 2645048, 3306310, 3778640, 5290096, 6612620, 13225240, 26450480]

約数ペア:

[(1, 26450480), (2, 13225240), (4, 6612620), (5, 5290096), (7, 3778640), (8, 3306310), (10, 2645048), (14, 1889320), (16, 1653155), (20, 1322524), (28, 944660), (35, 755728), (40, 661262), (56, 472330), (70, 377864), (80, 330631), (112, 236165), (140, 188932), (149, 177520), (280, 94466), (298, 88760), (317, 83440), (560, 47233), (596, 44380), (634, 41720), (745, 35504), (1043, 25360), (1192, 22190), (1268, 20860), (1490, 17752), (1585, 16688), (2086, 12680), (2219, 11920), (2384, 11095), (2536, 10430), (2980, 8876), (3170, 8344), (4172, 6340), (4438, 5960), (5072, 5215)]