80116580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 181960128

約数和(自身を除く): 101843548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 167, 170, 289, 332, 334, 340, 415, 578, 668, 830, 835, 1156, 1411, 1445, 1660, 1670, 2822, 2839, 2890, 3340, 5644, 5678, 5780, 7055, 11356, 13861, 14110, 14195, 23987, 27722, 28220, 28390, 47974, 48263, 55444, 56780, 69305, 95948, 96526, 119935, 138610, 193052, 235637, 239870, 241315, 277220, 471274, 479740, 482630, 942548, 965260, 1178185, 2356370, 4005829, 4712740, 8011658, 16023316, 20029145, 40058290, 80116580]

約数ペア:

[(1, 80116580), (2, 40058290), (4, 20029145), (5, 16023316), (10, 8011658), (17, 4712740), (20, 4005829), (34, 2356370), (68, 1178185), (83, 965260), (85, 942548), (166, 482630), (167, 479740), (170, 471274), (289, 277220), (332, 241315), (334, 239870), (340, 235637), (415, 193052), (578, 138610), (668, 119935), (830, 96526), (835, 95948), (1156, 69305), (1411, 56780), (1445, 55444), (1660, 48263), (1670, 47974), (2822, 28390), (2839, 28220), (2890, 27722), (3340, 23987), (5644, 14195), (5678, 14110), (5780, 13861), (7055, 11356)]