40918910

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 75422880

約数和(自身を除く): 34503970

約数列:

[1, 2, 5, 10, 67, 134, 157, 314, 335, 389, 670, 778, 785, 1570, 1945, 3890, 10519, 21038, 26063, 52126, 52595, 61073, 105190, 122146, 130315, 260630, 305365, 610730, 4091891, 8183782, 20459455, 40918910]

約数ペア:

[(1, 40918910), (2, 20459455), (5, 8183782), (10, 4091891), (67, 610730), (134, 305365), (157, 260630), (314, 130315), (335, 122146), (389, 105190), (670, 61073), (778, 52595), (785, 52126), (1570, 26063), (1945, 21038), (3890, 10519)]