38854640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 100172160

約数和(自身を除く): 61317520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 659, 670, 737, 880, 1072, 1318, 1340, 1474, 2636, 2680, 2948, 3295, 3685, 5272, 5360, 5896, 6590, 7249, 7370, 10544, 11792, 13180, 14498, 14740, 26360, 28996, 29480, 36245, 44153, 52720, 57992, 58960, 72490, 88306, 115984, 144980, 176612, 220765, 289960, 353224, 441530, 485683, 579920, 706448, 883060, 971366, 1766120, 1942732, 2428415, 3532240, 3885464, 4856830, 7770928, 9713660, 19427320, 38854640]

約数ペア:

[(1, 38854640), (2, 19427320), (4, 9713660), (5, 7770928), (8, 4856830), (10, 3885464), (11, 3532240), (16, 2428415), (20, 1942732), (22, 1766120), (40, 971366), (44, 883060), (55, 706448), (67, 579920), (80, 485683), (88, 441530), (110, 353224), (134, 289960), (176, 220765), (220, 176612), (268, 144980), (335, 115984), (440, 88306), (536, 72490), (659, 58960), (670, 57992), (737, 52720), (880, 44153), (1072, 36245), (1318, 29480), (1340, 28996), (1474, 26360), (2636, 14740), (2680, 14498), (2948, 13180), (3295, 11792), (3685, 10544), (5272, 7370), (5360, 7249), (5896, 6590)]