84547840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5081}}^1$

素因数の和:5115

約数の個数: 72

約数和(自身を含む): 218139768

約数和(自身を除く): 133591928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 5081, 8320, 10162, 16640, 20324, 25405, 40648, 50810, 66053, 81296, 101620, 132106, 162592, 203240, 264212, 325184, 330265, 406480, 528424, 650368, 660530, 812960, 1056848, 1300736, 1321060, 1625920, 2113696, 2642120, 3251840, 4227392, 5284240, 6503680, 8454784, 10568480, 16909568, 21136960, 42273920, 84547840]

約数ペア:

[(1, 84547840), (2, 42273920), (4, 21136960), (5, 16909568), (8, 10568480), (10, 8454784), (13, 6503680), (16, 5284240), (20, 4227392), (26, 3251840), (32, 2642120), (40, 2113696), (52, 1625920), (64, 1321060), (65, 1300736), (80, 1056848), (104, 812960), (128, 660530), (130, 650368), (160, 528424), (208, 406480), (256, 330265), (260, 325184), (320, 264212), (416, 203240), (520, 162592), (640, 132106), (832, 101620), (1040, 81296), (1280, 66053), (1664, 50810), (2080, 40648), (3328, 25405), (4160, 20324), (5081, 16640), (8320, 10162)]