201672440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122971}}^1$

素因数の和:123023

約数の個数: 32

約数和(自身を含む): 464834160

約数和(自身を除く): 263161720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122971, 245942, 491884, 614855, 983768, 1229710, 2459420, 4918840, 5041811, 10083622, 20167244, 25209055, 40334488, 50418110, 100836220, 201672440]

約数ペア:

[(1, 201672440), (2, 100836220), (4, 50418110), (5, 40334488), (8, 25209055), (10, 20167244), (20, 10083622), (40, 5041811), (41, 4918840), (82, 2459420), (164, 1229710), (205, 983768), (328, 614855), (410, 491884), (820, 245942), (1640, 122971)]