80531840

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4339}}^1$

素因数の和:4387

約数の個数: 64

約数和(自身を含む): 199206000

約数和(自身を除く): 118674160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 4339, 4640, 8678, 9280, 17356, 18560, 21695, 34712, 43390, 69424, 86780, 125831, 138848, 173560, 251662, 277696, 347120, 503324, 555392, 629155, 694240, 1006648, 1258310, 1388480, 2013296, 2516620, 2776960, 4026592, 5033240, 8053184, 10066480, 16106368, 20132960, 40265920, 80531840]

約数ペア:

[(1, 80531840), (2, 40265920), (4, 20132960), (5, 16106368), (8, 10066480), (10, 8053184), (16, 5033240), (20, 4026592), (29, 2776960), (32, 2516620), (40, 2013296), (58, 1388480), (64, 1258310), (80, 1006648), (116, 694240), (128, 629155), (145, 555392), (160, 503324), (232, 347120), (290, 277696), (320, 251662), (464, 173560), (580, 138848), (640, 125831), (928, 86780), (1160, 69424), (1856, 43390), (2320, 34712), (3712, 21695), (4339, 18560), (4640, 17356), (8678, 9280)]