72939880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140269}}^1$

素因数の和:140293

約数の個数: 32

約数和(自身を含む): 176740200

約数和(自身を除く): 103800320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 140269, 280538, 561076, 701345, 1122152, 1402690, 1823497, 2805380, 3646994, 5610760, 7293988, 9117485, 14587976, 18234970, 36469940, 72939880]

約数ペア:

[(1, 72939880), (2, 36469940), (4, 18234970), (5, 14587976), (8, 9117485), (10, 7293988), (13, 5610760), (20, 3646994), (26, 2805380), (40, 1823497), (52, 1402690), (65, 1122152), (104, 701345), (130, 561076), (260, 280538), (520, 140269)]