64921240

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{27509}}^1$

素因数の和:27579

約数の個数: 32

約数和(自身を含む): 148554000

約数和(自身を除く): 83632760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 27509, 55018, 110036, 137545, 220072, 275090, 550180, 1100360, 1623031, 3246062, 6492124, 8115155, 12984248, 16230310, 32460620, 64921240]

約数ペア:

[(1, 64921240), (2, 32460620), (4, 16230310), (5, 12984248), (8, 8115155), (10, 6492124), (20, 3246062), (40, 1623031), (59, 1100360), (118, 550180), (236, 275090), (295, 220072), (472, 137545), (590, 110036), (1180, 55018), (2360, 27509)]