669187040

素因数分解:

$2^5\times 5^1\times {\mathrm{4182419}}^1$

素因数の和:4182434

約数の個数: 24

約数和(自身を含む): 1580954760

約数和(自身を除く): 911767720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4182419, 8364838, 16729676, 20912095, 33459352, 41824190, 66918704, 83648380, 133837408, 167296760, 334593520, 669187040]

約数ペア:

[(1, 669187040), (2, 334593520), (4, 167296760), (5, 133837408), (8, 83648380), (10, 66918704), (16, 41824190), (20, 33459352), (32, 20912095), (40, 16729676), (80, 8364838), (160, 4182419)]