88894840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 205364160

約数和(自身を除く): 116469320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 113, 142, 226, 277, 284, 355, 452, 554, 565, 568, 710, 904, 1108, 1130, 1385, 1420, 2216, 2260, 2770, 2840, 4520, 5540, 8023, 11080, 16046, 19667, 31301, 32092, 39334, 40115, 62602, 64184, 78668, 80230, 98335, 125204, 156505, 157336, 160460, 196670, 250408, 313010, 320920, 393340, 626020, 786680, 1252040, 2222371, 4444742, 8889484, 11111855, 17778968, 22223710, 44447420, 88894840]

約数ペア:

[(1, 88894840), (2, 44447420), (4, 22223710), (5, 17778968), (8, 11111855), (10, 8889484), (20, 4444742), (40, 2222371), (71, 1252040), (113, 786680), (142, 626020), (226, 393340), (277, 320920), (284, 313010), (355, 250408), (452, 196670), (554, 160460), (565, 157336), (568, 156505), (710, 125204), (904, 98335), (1108, 80230), (1130, 78668), (1385, 64184), (1420, 62602), (2216, 40115), (2260, 39334), (2770, 32092), (2840, 31301), (4520, 19667), (5540, 16046), (8023, 11080)]