80074240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1063

約数の個数: 80

約数和(自身を含む): 198380160

約数和(自身を除く): 118305920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1009, 1240, 1280, 1984, 2018, 2480, 2560, 3968, 4036, 4960, 5045, 7936, 8072, 9920, 10090, 15872, 16144, 19840, 20180, 31279, 32288, 39680, 40360, 62558, 64576, 79360, 80720, 125116, 129152, 156395, 161440, 250232, 258304, 312790, 322880, 500464, 516608, 625580, 645760, 1000928, 1251160, 1291520, 2001856, 2502320, 2583040, 4003712, 5004640, 8007424, 10009280, 16014848, 20018560, 40037120, 80074240]

約数ペア:

[(1, 80074240), (2, 40037120), (4, 20018560), (5, 16014848), (8, 10009280), (10, 8007424), (16, 5004640), (20, 4003712), (31, 2583040), (32, 2502320), (40, 2001856), (62, 1291520), (64, 1251160), (80, 1000928), (124, 645760), (128, 625580), (155, 516608), (160, 500464), (248, 322880), (256, 312790), (310, 258304), (320, 250232), (496, 161440), (512, 156395), (620, 129152), (640, 125116), (992, 80720), (1009, 79360), (1240, 64576), (1280, 62558), (1984, 40360), (2018, 39680), (2480, 32288), (2560, 31279), (3968, 20180), (4036, 19840), (4960, 16144), (5045, 15872), (7936, 10090), (8072, 9920)]