40091440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 101243520

約数和(自身を除く): 61152080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 719, 820, 1360, 1394, 1438, 1640, 2788, 2876, 3280, 3485, 3595, 5576, 5752, 6970, 7190, 11152, 11504, 12223, 13940, 14380, 24446, 27880, 28760, 29479, 48892, 55760, 57520, 58958, 61115, 97784, 117916, 122230, 147395, 195568, 235832, 244460, 294790, 471664, 488920, 501143, 589580, 977840, 1002286, 1179160, 2004572, 2358320, 2505715, 4009144, 5011430, 8018288, 10022860, 20045720, 40091440]

約数ペア:

[(1, 40091440), (2, 20045720), (4, 10022860), (5, 8018288), (8, 5011430), (10, 4009144), (16, 2505715), (17, 2358320), (20, 2004572), (34, 1179160), (40, 1002286), (41, 977840), (68, 589580), (80, 501143), (82, 488920), (85, 471664), (136, 294790), (164, 244460), (170, 235832), (205, 195568), (272, 147395), (328, 122230), (340, 117916), (410, 97784), (656, 61115), (680, 58958), (697, 57520), (719, 55760), (820, 48892), (1360, 29479), (1394, 28760), (1438, 27880), (1640, 24446), (2788, 14380), (2876, 13940), (3280, 12223), (3485, 11504), (3595, 11152), (5576, 7190), (5752, 6970)]