72954440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140297}}^1$

素因数の和:140321

約数の個数: 32

約数和(自身を含む): 176775480

約数和(自身を除く): 103821040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 140297, 280594, 561188, 701485, 1122376, 1402970, 1823861, 2805940, 3647722, 5611880, 7295444, 9119305, 14590888, 18238610, 36477220, 72954440]

約数ペア:

[(1, 72954440), (2, 36477220), (4, 18238610), (5, 14590888), (8, 9119305), (10, 7295444), (13, 5611880), (20, 3647722), (26, 2805940), (40, 1823861), (52, 1402970), (65, 1122376), (104, 701485), (130, 561188), (260, 280594), (520, 140297)]