4950140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 11383680

約数和(自身を除く): 6433540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 241, 260, 316, 395, 482, 790, 964, 1027, 1205, 1580, 2054, 2410, 3133, 4108, 4820, 5135, 6266, 10270, 12532, 15665, 19039, 20540, 31330, 38078, 62660, 76156, 95195, 190390, 247507, 380780, 495014, 990028, 1237535, 2475070, 4950140]

約数ペア:

[(1, 4950140), (2, 2475070), (4, 1237535), (5, 990028), (10, 495014), (13, 380780), (20, 247507), (26, 190390), (52, 95195), (65, 76156), (79, 62660), (130, 38078), (158, 31330), (241, 20540), (260, 19039), (316, 15665), (395, 12532), (482, 10270), (790, 6266), (964, 5135), (1027, 4820), (1205, 4108), (1580, 3133), (2054, 2410)]