64955980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191047}}^1$

素因数の和:191073

約数の個数: 24

約数和(自身を含む): 144432288

約数和(自身を除く): 79476308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 191047, 382094, 764188, 955235, 1910470, 3247799, 3820940, 6495598, 12991196, 16238995, 32477990, 64955980]

約数ペア:

[(1, 64955980), (2, 32477990), (4, 16238995), (5, 12991196), (10, 6495598), (17, 3820940), (20, 3247799), (34, 1910470), (68, 955235), (85, 764188), (170, 382094), (340, 191047)]