2018519120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{3167}}^1$

素因数の和:3468

約数の個数: 80

約数和(自身を含む): 4864831488

約数和(自身を除く): 2846312368

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, 3167, 4112, 5140, 6334, 7967, 10280, 12668, 15835, 15934, 20560, 25336, 31670, 31868, 39835, 50672, 63340, 63736, 79670, 98177, 126680, 127472, 159340, 196354, 253360, 318680, 392708, 490885, 637360, 785416, 813919, 981770, 1570832, 1627838, 1963540, 3255676, 3927080, 4069595, 6511352, 7854160, 8139190, 13022704, 16278380, 25231489, 32556760, 50462978, 65113520, 100925956, 126157445, 201851912, 252314890, 403703824, 504629780, 1009259560, 2018519120]

約数ペア:

[(1, 2018519120), (2, 1009259560), (4, 504629780), (5, 403703824), (8, 252314890), (10, 201851912), (16, 126157445), (20, 100925956), (31, 65113520), (40, 50462978), (62, 32556760), (80, 25231489), (124, 16278380), (155, 13022704), (248, 8139190), (257, 7854160), (310, 6511352), (496, 4069595), (514, 3927080), (620, 3255676), (1028, 1963540), (1240, 1627838), (1285, 1570832), (2056, 981770), (2480, 813919), (2570, 785416), (3167, 637360), (4112, 490885), (5140, 392708), (6334, 318680), (7967, 253360), (10280, 196354), (12668, 159340), (15835, 127472), (15934, 126680), (20560, 98177), (25336, 79670), (31670, 63736), (31868, 63340), (39835, 50672)]