995573680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{6581}}^1$

素因数の和:6686

約数の個数: 80

約数和(自身を含む): 2428915968

約数和(自身を除く): 1433342288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1220, 1240, 1891, 2440, 2480, 3782, 4880, 6581, 7564, 9455, 13162, 15128, 18910, 26324, 30256, 32905, 37820, 52648, 65810, 75640, 105296, 131620, 151280, 204011, 263240, 401441, 408022, 526480, 802882, 816044, 1020055, 1605764, 1632088, 2007205, 2040110, 3211528, 3264176, 4014410, 4080220, 6423056, 8028820, 8160440, 12444671, 16057640, 16320880, 24889342, 32115280, 49778684, 62223355, 99557368, 124446710, 199114736, 248893420, 497786840, 995573680]

約数ペア:

[(1, 995573680), (2, 497786840), (4, 248893420), (5, 199114736), (8, 124446710), (10, 99557368), (16, 62223355), (20, 49778684), (31, 32115280), (40, 24889342), (61, 16320880), (62, 16057640), (80, 12444671), (122, 8160440), (124, 8028820), (155, 6423056), (244, 4080220), (248, 4014410), (305, 3264176), (310, 3211528), (488, 2040110), (496, 2007205), (610, 1632088), (620, 1605764), (976, 1020055), (1220, 816044), (1240, 802882), (1891, 526480), (2440, 408022), (2480, 401441), (3782, 263240), (4880, 204011), (6581, 151280), (7564, 131620), (9455, 105296), (13162, 75640), (15128, 65810), (18910, 52648), (26324, 37820), (30256, 32905)]