25718720

素因数分解:

$2^6\times 5^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:645

約数の個数: 56

約数和(自身を含む): 61722000

約数和(自身を除く): 36003280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 320, 358, 449, 716, 895, 898, 1432, 1790, 1796, 2245, 2864, 3580, 3592, 4490, 5728, 7160, 7184, 8980, 11456, 14320, 14368, 17960, 28640, 28736, 35920, 57280, 71840, 80371, 143680, 160742, 321484, 401855, 642968, 803710, 1285936, 1607420, 2571872, 3214840, 5143744, 6429680, 12859360, 25718720]

約数ペア:

[(1, 25718720), (2, 12859360), (4, 6429680), (5, 5143744), (8, 3214840), (10, 2571872), (16, 1607420), (20, 1285936), (32, 803710), (40, 642968), (64, 401855), (80, 321484), (160, 160742), (179, 143680), (320, 80371), (358, 71840), (449, 57280), (716, 35920), (895, 28736), (898, 28640), (1432, 17960), (1790, 14368), (1796, 14320), (2245, 11456), (2864, 8980), (3580, 7184), (3592, 7160), (4490, 5728)]