67921240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19079}}^1$

素因数の和:19179

約数の個数: 32

約数和(自身を含む): 154548000

約数和(自身を除く): 86626760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 19079, 38158, 76316, 95395, 152632, 190790, 381580, 763160, 1698031, 3396062, 6792124, 8490155, 13584248, 16980310, 33960620, 67921240]

約数ペア:

[(1, 67921240), (2, 33960620), (4, 16980310), (5, 13584248), (8, 8490155), (10, 6792124), (20, 3396062), (40, 1698031), (89, 763160), (178, 381580), (356, 190790), (445, 152632), (712, 95395), (890, 76316), (1780, 38158), (3560, 19079)]