64857680

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1187}}^1$

素因数の和:1883

約数の個数: 40

約数和(自身を含む): 151142112

約数和(自身を除く): 86284432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 1187, 1366, 2374, 2732, 3415, 4748, 5464, 5935, 6830, 9496, 10928, 11870, 13660, 18992, 23740, 27320, 47480, 54640, 94960, 810721, 1621442, 3242884, 4053605, 6485768, 8107210, 12971536, 16214420, 32428840, 64857680]

約数ペア:

[(1, 64857680), (2, 32428840), (4, 16214420), (5, 12971536), (8, 8107210), (10, 6485768), (16, 4053605), (20, 3242884), (40, 1621442), (80, 810721), (683, 94960), (1187, 54640), (1366, 47480), (2374, 27320), (2732, 23740), (3415, 18992), (4748, 13660), (5464, 11870), (5935, 10928), (6830, 9496)]