64214020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 150642072

約数和(自身を除く): 86428052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 257, 260, 310, 403, 514, 620, 806, 961, 1028, 1285, 1612, 1922, 2015, 2570, 3341, 3844, 4030, 4805, 5140, 6682, 7967, 8060, 9610, 12493, 13364, 15934, 16705, 19220, 24986, 31868, 33410, 39835, 49972, 62465, 66820, 79670, 103571, 124930, 159340, 207142, 246977, 249860, 414284, 493954, 517855, 987908, 1035710, 1234885, 2071420, 2469770, 3210701, 4939540, 6421402, 12842804, 16053505, 32107010, 64214020]

約数ペア:

[(1, 64214020), (2, 32107010), (4, 16053505), (5, 12842804), (10, 6421402), (13, 4939540), (20, 3210701), (26, 2469770), (31, 2071420), (52, 1234885), (62, 1035710), (65, 987908), (124, 517855), (130, 493954), (155, 414284), (257, 249860), (260, 246977), (310, 207142), (403, 159340), (514, 124930), (620, 103571), (806, 79670), (961, 66820), (1028, 62465), (1285, 49972), (1612, 39835), (1922, 33410), (2015, 31868), (2570, 24986), (3341, 19220), (3844, 16705), (4030, 15934), (4805, 13364), (5140, 12493), (6682, 9610), (7967, 8060)]