66441920

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{523}}^1$

素因数の和:937

約数の個数: 56

約数和(自身を含む): 158916624

約数和(自身を除く): 92474704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 523, 794, 1046, 1588, 1985, 2092, 2615, 3176, 3970, 4184, 5230, 6352, 7940, 8368, 10460, 12704, 15880, 16736, 20920, 25408, 31760, 33472, 41840, 63520, 83680, 127040, 167360, 207631, 415262, 830524, 1038155, 1661048, 2076310, 3322096, 4152620, 6644192, 8305240, 13288384, 16610480, 33220960, 66441920]

約数ペア:

[(1, 66441920), (2, 33220960), (4, 16610480), (5, 13288384), (8, 8305240), (10, 6644192), (16, 4152620), (20, 3322096), (32, 2076310), (40, 1661048), (64, 1038155), (80, 830524), (160, 415262), (320, 207631), (397, 167360), (523, 127040), (794, 83680), (1046, 63520), (1588, 41840), (1985, 33472), (2092, 31760), (2615, 25408), (3176, 20920), (3970, 16736), (4184, 15880), (5230, 12704), (6352, 10460), (7940, 8368)]