18996876880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{264139}}^1$

素因数の和:264212

約数の個数: 80

約数和(自身を含む): 47164838400

約数和(自身を除く): 28167961520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2480, 3596, 4495, 7192, 8990, 14384, 17980, 35960, 71920, 264139, 528278, 1056556, 1320695, 2113112, 2641390, 4226224, 5282780, 7660031, 8188309, 10565560, 15320062, 16376618, 21131120, 30640124, 32753236, 38300155, 40941545, 61280248, 65506472, 76600310, 81883090, 122560496, 131012944, 153200620, 163766180, 237460961, 306401240, 327532360, 474921922, 612802480, 655064720, 949843844, 1187304805, 1899687688, 2374609610, 3799375376, 4749219220, 9498438440, 18996876880]

約数ペア:

[(1, 18996876880), (2, 9498438440), (4, 4749219220), (5, 3799375376), (8, 2374609610), (10, 1899687688), (16, 1187304805), (20, 949843844), (29, 655064720), (31, 612802480), (40, 474921922), (58, 327532360), (62, 306401240), (80, 237460961), (116, 163766180), (124, 153200620), (145, 131012944), (155, 122560496), (232, 81883090), (248, 76600310), (290, 65506472), (310, 61280248), (464, 40941545), (496, 38300155), (580, 32753236), (620, 30640124), (899, 21131120), (1160, 16376618), (1240, 15320062), (1798, 10565560), (2320, 8188309), (2480, 7660031), (3596, 5282780), (4495, 4226224), (7192, 2641390), (8990, 2113112), (14384, 1320695), (17980, 1056556), (35960, 528278), (71920, 264139)]