109999880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{26699}}^1$

素因数の和:26813

約数の個数: 32

約数和(自身を含む): 249912000

約数和(自身を除く): 139912120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 26699, 53398, 106796, 133495, 213592, 266990, 533980, 1067960, 2749997, 5499994, 10999988, 13749985, 21999976, 27499970, 54999940, 109999880]

約数ペア:

[(1, 109999880), (2, 54999940), (4, 27499970), (5, 21999976), (8, 13749985), (10, 10999988), (20, 5499994), (40, 2749997), (103, 1067960), (206, 533980), (412, 266990), (515, 213592), (824, 133495), (1030, 106796), (2060, 53398), (4120, 26699)]