126834640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 307123200

約数和(自身を除く): 180288560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 199, 248, 257, 310, 398, 496, 514, 620, 796, 995, 1028, 1240, 1285, 1592, 1990, 2056, 2480, 2570, 3184, 3980, 4112, 5140, 6169, 7960, 7967, 10280, 12338, 15920, 15934, 20560, 24676, 30845, 31868, 39835, 49352, 51143, 61690, 63736, 79670, 98704, 102286, 123380, 127472, 159340, 204572, 246760, 255715, 318680, 409144, 493520, 511430, 637360, 818288, 1022860, 1585433, 2045720, 3170866, 4091440, 6341732, 7927165, 12683464, 15854330, 25366928, 31708660, 63417320, 126834640]

約数ペア:

[(1, 126834640), (2, 63417320), (4, 31708660), (5, 25366928), (8, 15854330), (10, 12683464), (16, 7927165), (20, 6341732), (31, 4091440), (40, 3170866), (62, 2045720), (80, 1585433), (124, 1022860), (155, 818288), (199, 637360), (248, 511430), (257, 493520), (310, 409144), (398, 318680), (496, 255715), (514, 246760), (620, 204572), (796, 159340), (995, 127472), (1028, 123380), (1240, 102286), (1285, 98704), (1592, 79670), (1990, 63736), (2056, 61690), (2480, 51143), (2570, 49352), (3184, 39835), (3980, 31868), (4112, 30845), (5140, 24676), (6169, 20560), (7960, 15934), (7967, 15920), (10280, 12338)]