64972480

素因数分解:

$2^6\times 5^1\times {\mathrm{203039}}^1$

素因数の和:203056

約数の個数: 28

約数和(自身を含む): 154716480

約数和(自身を除く): 89744000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 203039, 406078, 812156, 1015195, 1624312, 2030390, 3248624, 4060780, 6497248, 8121560, 12994496, 16243120, 32486240, 64972480]

約数ペア:

[(1, 64972480), (2, 32486240), (4, 16243120), (5, 12994496), (8, 8121560), (10, 6497248), (16, 4060780), (20, 3248624), (32, 2030390), (40, 1624312), (64, 1015195), (80, 812156), (160, 406078), (320, 203039)]