1939620520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{723739}}^1$

素因数の和:723817

約数の個数: 32

約数和(自身を含む): 4429288800

約数和(自身を除く): 2489668280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 723739, 1447478, 2894956, 3618695, 5789912, 7237390, 14474780, 28949560, 48490513, 96981026, 193962052, 242452565, 387924104, 484905130, 969810260, 1939620520]

約数ペア:

[(1, 1939620520), (2, 969810260), (4, 484905130), (5, 387924104), (8, 242452565), (10, 193962052), (20, 96981026), (40, 48490513), (67, 28949560), (134, 14474780), (268, 7237390), (335, 5789912), (536, 3618695), (670, 2894956), (1340, 1447478), (2680, 723739)]