51802140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66413}}^1$

素因数の和:66438

約数の個数: 48

約数和(自身を含む): 156205728

約数和(自身を除く): 104403588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66413, 132826, 199239, 265652, 332065, 398478, 664130, 796956, 863369, 996195, 1328260, 1726738, 1992390, 2590107, 3453476, 3984780, 4316845, 5180214, 8633690, 10360428, 12950535, 17267380, 25901070, 51802140]

約数ペア:

[(1, 51802140), (2, 25901070), (3, 17267380), (4, 12950535), (5, 10360428), (6, 8633690), (10, 5180214), (12, 4316845), (13, 3984780), (15, 3453476), (20, 2590107), (26, 1992390), (30, 1726738), (39, 1328260), (52, 996195), (60, 863369), (65, 796956), (78, 664130), (130, 398478), (156, 332065), (195, 265652), (260, 199239), (390, 132826), (780, 66413)]