44640980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131297}}^1$

素因数の和:131323

約数の個数: 24

約数和(自身を含む): 99261288

約数和(自身を除く): 54620308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 131297, 262594, 525188, 656485, 1312970, 2232049, 2625940, 4464098, 8928196, 11160245, 22320490, 44640980]

約数ペア:

[(1, 44640980), (2, 22320490), (4, 11160245), (5, 8928196), (10, 4464098), (17, 2625940), (20, 2232049), (34, 1312970), (68, 656485), (85, 525188), (170, 262594), (340, 131297)]