79809880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5527}}^1$

素因数の和:5576

約数の個数: 48

約数和(自身を含む): 189555120

約数和(自身を除く): 109745240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 5527, 7220, 11054, 14440, 22108, 27635, 44216, 55270, 105013, 110540, 210026, 221080, 420052, 525065, 840104, 1050130, 1995247, 2100260, 3990494, 4200520, 7980988, 9976235, 15961976, 19952470, 39904940, 79809880]

約数ペア:

[(1, 79809880), (2, 39904940), (4, 19952470), (5, 15961976), (8, 9976235), (10, 7980988), (19, 4200520), (20, 3990494), (38, 2100260), (40, 1995247), (76, 1050130), (95, 840104), (152, 525065), (190, 420052), (361, 221080), (380, 210026), (722, 110540), (760, 105013), (1444, 55270), (1805, 44216), (2888, 27635), (3610, 22108), (5527, 14440), (7220, 11054)]