8000200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 21326760

約数和(自身を除く): 13326560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 130, 136, 170, 181, 200, 221, 260, 325, 340, 362, 425, 442, 520, 650, 680, 724, 850, 884, 905, 1105, 1300, 1448, 1700, 1768, 1810, 2210, 2353, 2600, 3077, 3400, 3620, 4420, 4525, 4706, 5525, 6154, 7240, 8840, 9050, 9412, 11050, 11765, 12308, 15385, 18100, 18824, 22100, 23530, 24616, 30770, 36200, 40001, 44200, 47060, 58825, 61540, 76925, 80002, 94120, 117650, 123080, 153850, 160004, 200005, 235300, 307700, 320008, 400010, 470600, 615400, 800020, 1000025, 1600040, 2000050, 4000100, 8000200]

約数ペア:

[(1, 8000200), (2, 4000100), (4, 2000050), (5, 1600040), (8, 1000025), (10, 800020), (13, 615400), (17, 470600), (20, 400010), (25, 320008), (26, 307700), (34, 235300), (40, 200005), (50, 160004), (52, 153850), (65, 123080), (68, 117650), (85, 94120), (100, 80002), (104, 76925), (130, 61540), (136, 58825), (170, 47060), (181, 44200), (200, 40001), (221, 36200), (260, 30770), (325, 24616), (340, 23530), (362, 22100), (425, 18824), (442, 18100), (520, 15385), (650, 12308), (680, 11765), (724, 11050), (850, 9412), (884, 9050), (905, 8840), (1105, 7240), (1300, 6154), (1448, 5525), (1700, 4706), (1768, 4525), (1810, 4420), (2210, 3620), (2353, 3400), (2600, 3077)]