25392560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18671}}^1$

素因数の和:18701

約数の個数: 40

約数和(自身を含む): 62513856

約数和(自身を除く): 37121296

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18671, 37342, 74684, 93355, 149368, 186710, 298736, 317407, 373420, 634814, 746840, 1269628, 1493680, 1587035, 2539256, 3174070, 5078512, 6348140, 12696280, 25392560]

約数ペア:

[(1, 25392560), (2, 12696280), (4, 6348140), (5, 5078512), (8, 3174070), (10, 2539256), (16, 1587035), (17, 1493680), (20, 1269628), (34, 746840), (40, 634814), (68, 373420), (80, 317407), (85, 298736), (136, 186710), (170, 149368), (272, 93355), (340, 74684), (680, 37342), (1360, 18671)]