8729142440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{19609}}^1$

素因数の和:20010

約数の個数: 64

約数和(自身を含む): 20331648000

約数和(自身を除く): 11602505560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 359, 620, 718, 1240, 1436, 1795, 2872, 3590, 7180, 11129, 14360, 19609, 22258, 39218, 44516, 55645, 78436, 89032, 98045, 111290, 156872, 196090, 222580, 392180, 445160, 607879, 784360, 1215758, 2431516, 3039395, 4863032, 6078790, 7039631, 12157580, 14079262, 24315160, 28158524, 35198155, 56317048, 70396310, 140792620, 218228561, 281585240, 436457122, 872914244, 1091142805, 1745828488, 2182285610, 4364571220, 8729142440]

約数ペア:

[(1, 8729142440), (2, 4364571220), (4, 2182285610), (5, 1745828488), (8, 1091142805), (10, 872914244), (20, 436457122), (31, 281585240), (40, 218228561), (62, 140792620), (124, 70396310), (155, 56317048), (248, 35198155), (310, 28158524), (359, 24315160), (620, 14079262), (718, 12157580), (1240, 7039631), (1436, 6078790), (1795, 4863032), (2872, 3039395), (3590, 2431516), (7180, 1215758), (11129, 784360), (14360, 607879), (19609, 445160), (22258, 392180), (39218, 222580), (44516, 196090), (55645, 156872), (78436, 111290), (89032, 98045)]