63851720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22483}}^1$

素因数の和:22565

約数の個数: 32

約数和(自身を含む): 145696320

約数和(自身を除く): 81844600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 22483, 44966, 89932, 112415, 179864, 224830, 449660, 899320, 1596293, 3192586, 6385172, 7981465, 12770344, 15962930, 31925860, 63851720]

約数ペア:

[(1, 63851720), (2, 31925860), (4, 15962930), (5, 12770344), (8, 7981465), (10, 6385172), (20, 3192586), (40, 1596293), (71, 899320), (142, 449660), (284, 224830), (355, 179864), (568, 112415), (710, 89932), (1420, 44966), (2840, 22483)]