72228640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41039}}^1$

素因数の和:41065

約数の個数: 48

約数和(自身を含む): 186157440

約数和(自身を除く): 113928800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 41039, 82078, 164156, 205195, 328312, 410390, 451429, 656624, 820780, 902858, 1313248, 1641560, 1805716, 2257145, 3283120, 3611432, 4514290, 6566240, 7222864, 9028580, 14445728, 18057160, 36114320, 72228640]

約数ペア:

[(1, 72228640), (2, 36114320), (4, 18057160), (5, 14445728), (8, 9028580), (10, 7222864), (11, 6566240), (16, 4514290), (20, 3611432), (22, 3283120), (32, 2257145), (40, 1805716), (44, 1641560), (55, 1313248), (80, 902858), (88, 820780), (110, 656624), (160, 451429), (176, 410390), (220, 328312), (352, 205195), (440, 164156), (880, 82078), (1760, 41039)]