66254140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 148377600

約数和(自身を除く): 82123460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 2207, 3002, 4414, 6004, 7505, 8828, 11035, 15010, 22070, 30020, 41933, 44140, 83866, 167732, 174353, 209665, 348706, 419330, 697412, 838660, 871765, 1743530, 3312707, 3487060, 6625414, 13250828, 16563535, 33127070, 66254140]

約数ペア:

[(1, 66254140), (2, 33127070), (4, 16563535), (5, 13250828), (10, 6625414), (19, 3487060), (20, 3312707), (38, 1743530), (76, 871765), (79, 838660), (95, 697412), (158, 419330), (190, 348706), (316, 209665), (380, 174353), (395, 167732), (790, 83866), (1501, 44140), (1580, 41933), (2207, 30020), (3002, 22070), (4414, 15010), (6004, 11035), (7505, 8828)]