8404866320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{13187}}^1$

素因数の和:13488

約数の個数: 80

約数和(自身を含む): 20251703808

約数和(自身を除く): 11846837488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 257, 310, 496, 514, 620, 1028, 1240, 1285, 2056, 2480, 2570, 4112, 5140, 7967, 10280, 13187, 15934, 20560, 26374, 31868, 39835, 52748, 63736, 65935, 79670, 105496, 127472, 131870, 159340, 210992, 263740, 318680, 408797, 527480, 637360, 817594, 1054960, 1635188, 2043985, 3270376, 3389059, 4087970, 6540752, 6778118, 8175940, 13556236, 16351880, 16945295, 27112472, 32703760, 33890590, 54224944, 67781180, 105060829, 135562360, 210121658, 271124720, 420243316, 525304145, 840486632, 1050608290, 1680973264, 2101216580, 4202433160, 8404866320]

約数ペア:

[(1, 8404866320), (2, 4202433160), (4, 2101216580), (5, 1680973264), (8, 1050608290), (10, 840486632), (16, 525304145), (20, 420243316), (31, 271124720), (40, 210121658), (62, 135562360), (80, 105060829), (124, 67781180), (155, 54224944), (248, 33890590), (257, 32703760), (310, 27112472), (496, 16945295), (514, 16351880), (620, 13556236), (1028, 8175940), (1240, 6778118), (1285, 6540752), (2056, 4087970), (2480, 3389059), (2570, 3270376), (4112, 2043985), (5140, 1635188), (7967, 1054960), (10280, 817594), (13187, 637360), (15934, 527480), (20560, 408797), (26374, 318680), (31868, 263740), (39835, 210992), (52748, 159340), (63736, 131870), (65935, 127472), (79670, 105496)]