88223920

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12391}}^1$

素因数の和:12493

約数の個数: 40

約数和(自身を含む): 207442080

約数和(自身を除く): 119218160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 12391, 24782, 49564, 61955, 99128, 123910, 198256, 247820, 495640, 991280, 1102799, 2205598, 4411196, 5513995, 8822392, 11027990, 17644784, 22055980, 44111960, 88223920]

約数ペア:

[(1, 88223920), (2, 44111960), (4, 22055980), (5, 17644784), (8, 11027990), (10, 8822392), (16, 5513995), (20, 4411196), (40, 2205598), (80, 1102799), (89, 991280), (178, 495640), (356, 247820), (445, 198256), (712, 123910), (890, 99128), (1424, 61955), (1780, 49564), (3560, 24782), (7120, 12391)]