64750720

素因数分解:

$2^7\times 5^1\times {\mathrm{101173}}^1$

素因数の和:101192

約数の個数: 32

約数和(自身を含む): 154796220

約数和(自身を除く): 90045500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 101173, 202346, 404692, 505865, 809384, 1011730, 1618768, 2023460, 3237536, 4046920, 6475072, 8093840, 12950144, 16187680, 32375360, 64750720]

約数ペア:

[(1, 64750720), (2, 32375360), (4, 16187680), (5, 12950144), (8, 8093840), (10, 6475072), (16, 4046920), (20, 3237536), (32, 2023460), (40, 1618768), (64, 1011730), (80, 809384), (128, 505865), (160, 404692), (320, 202346), (640, 101173)]