42539440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 108207360

約数和(自身を除く): 65667920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1009, 1054, 1240, 1360, 2018, 2108, 2480, 2635, 4036, 4216, 5045, 5270, 8072, 8432, 10090, 10540, 16144, 17153, 20180, 21080, 31279, 34306, 40360, 42160, 62558, 68612, 80720, 85765, 125116, 137224, 156395, 171530, 250232, 274448, 312790, 343060, 500464, 531743, 625580, 686120, 1063486, 1251160, 1372240, 2126972, 2502320, 2658715, 4253944, 5317430, 8507888, 10634860, 21269720, 42539440]

約数ペア:

[(1, 42539440), (2, 21269720), (4, 10634860), (5, 8507888), (8, 5317430), (10, 4253944), (16, 2658715), (17, 2502320), (20, 2126972), (31, 1372240), (34, 1251160), (40, 1063486), (62, 686120), (68, 625580), (80, 531743), (85, 500464), (124, 343060), (136, 312790), (155, 274448), (170, 250232), (248, 171530), (272, 156395), (310, 137224), (340, 125116), (496, 85765), (527, 80720), (620, 68612), (680, 62558), (1009, 42160), (1054, 40360), (1240, 34306), (1360, 31279), (2018, 21080), (2108, 20180), (2480, 17153), (2635, 16144), (4036, 10540), (4216, 10090), (5045, 8432), (5270, 8072)]