7788894640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1\times {\mathrm{4721}}^1$

素因数の和:5278

約数の個数: 80

約数和(自身を含む): 18591685056

約数和(自身を除く): 10802790416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 503, 656, 820, 1006, 1640, 2012, 2515, 3280, 4024, 4721, 5030, 8048, 9442, 10060, 18884, 20120, 20623, 23605, 37768, 40240, 41246, 47210, 75536, 82492, 94420, 103115, 164984, 188840, 193561, 206230, 329968, 377680, 387122, 412460, 774244, 824920, 967805, 1548488, 1649840, 1935610, 2374663, 3096976, 3871220, 4749326, 7742440, 9498652, 11873315, 15484880, 18997304, 23746630, 37994608, 47493260, 94986520, 97361183, 189973040, 194722366, 389444732, 486805915, 778889464, 973611830, 1557778928, 1947223660, 3894447320, 7788894640]

約数ペア:

[(1, 7788894640), (2, 3894447320), (4, 1947223660), (5, 1557778928), (8, 973611830), (10, 778889464), (16, 486805915), (20, 389444732), (40, 194722366), (41, 189973040), (80, 97361183), (82, 94986520), (164, 47493260), (205, 37994608), (328, 23746630), (410, 18997304), (503, 15484880), (656, 11873315), (820, 9498652), (1006, 7742440), (1640, 4749326), (2012, 3871220), (2515, 3096976), (3280, 2374663), (4024, 1935610), (4721, 1649840), (5030, 1548488), (8048, 967805), (9442, 824920), (10060, 774244), (18884, 412460), (20120, 387122), (20623, 377680), (23605, 329968), (37768, 206230), (40240, 193561), (41246, 188840), (47210, 164984), (75536, 103115), (82492, 94420)]