17965120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1859

約数の個数: 56

約数和(自身を含む): 44183808

約数和(自身を除く): 26218688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1811, 1984, 2480, 3622, 4960, 7244, 9055, 9920, 14488, 18110, 28976, 36220, 56141, 57952, 72440, 112282, 115904, 144880, 224564, 280705, 289760, 449128, 561410, 579520, 898256, 1122820, 1796512, 2245640, 3593024, 4491280, 8982560, 17965120]

約数ペア:

[(1, 17965120), (2, 8982560), (4, 4491280), (5, 3593024), (8, 2245640), (10, 1796512), (16, 1122820), (20, 898256), (31, 579520), (32, 561410), (40, 449128), (62, 289760), (64, 280705), (80, 224564), (124, 144880), (155, 115904), (160, 112282), (248, 72440), (310, 57952), (320, 56141), (496, 36220), (620, 28976), (992, 18110), (1240, 14488), (1811, 9920), (1984, 9055), (2480, 7244), (3622, 4960)]