72194440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44021}}^1$

素因数の和:44073

約数の個数: 32

約数和(自身を含む): 166403160

約数和(自身を除く): 94208720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44021, 88042, 176084, 220105, 352168, 440210, 880420, 1760840, 1804861, 3609722, 7219444, 9024305, 14438888, 18048610, 36097220, 72194440]

約数ペア:

[(1, 72194440), (2, 36097220), (4, 18048610), (5, 14438888), (8, 9024305), (10, 7219444), (20, 3609722), (40, 1804861), (41, 1760840), (82, 880420), (164, 440210), (205, 352168), (328, 220105), (410, 176084), (820, 88042), (1640, 44021)]