64901600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2668

約数の個数: 72

約数和(自身を含む): 163614528

約数和(自身を除く): 98712928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 2617, 3100, 4960, 5234, 6200, 10468, 12400, 13085, 20936, 24800, 26170, 41872, 52340, 65425, 81127, 83744, 104680, 130850, 162254, 209360, 261700, 324508, 405635, 418720, 523400, 649016, 811270, 1046800, 1298032, 1622540, 2028175, 2093600, 2596064, 3245080, 4056350, 6490160, 8112700, 12980320, 16225400, 32450800, 64901600]

約数ペア:

[(1, 64901600), (2, 32450800), (4, 16225400), (5, 12980320), (8, 8112700), (10, 6490160), (16, 4056350), (20, 3245080), (25, 2596064), (31, 2093600), (32, 2028175), (40, 1622540), (50, 1298032), (62, 1046800), (80, 811270), (100, 649016), (124, 523400), (155, 418720), (160, 405635), (200, 324508), (248, 261700), (310, 209360), (400, 162254), (496, 130850), (620, 104680), (775, 83744), (800, 81127), (992, 65425), (1240, 52340), (1550, 41872), (2480, 26170), (2617, 24800), (3100, 20936), (4960, 13085), (5234, 12400), (6200, 10468)]