72661940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5273}}^1$

素因数の和:5348

約数の個数: 48

約数和(自身を含む): 167460048

約数和(自身を除く): 94798108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 5273, 6890, 10546, 13780, 21092, 26365, 52730, 68549, 105460, 137098, 274196, 279469, 342745, 558938, 685490, 1117876, 1370980, 1397345, 2794690, 3633097, 5589380, 7266194, 14532388, 18165485, 36330970, 72661940]

約数ペア:

[(1, 72661940), (2, 36330970), (4, 18165485), (5, 14532388), (10, 7266194), (13, 5589380), (20, 3633097), (26, 2794690), (52, 1397345), (53, 1370980), (65, 1117876), (106, 685490), (130, 558938), (212, 342745), (260, 279469), (265, 274196), (530, 137098), (689, 105460), (1060, 68549), (1378, 52730), (2756, 26365), (3445, 21092), (5273, 13780), (6890, 10546)]