13043560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 30942720

約数和(自身を除く): 17899160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 157, 248, 268, 310, 314, 335, 536, 620, 628, 670, 785, 1240, 1256, 1340, 1570, 2077, 2680, 3140, 4154, 4867, 6280, 8308, 9734, 10385, 10519, 16616, 19468, 20770, 21038, 24335, 38936, 41540, 42076, 48670, 52595, 83080, 84152, 97340, 105190, 194680, 210380, 326089, 420760, 652178, 1304356, 1630445, 2608712, 3260890, 6521780, 13043560]

約数ペア:

[(1, 13043560), (2, 6521780), (4, 3260890), (5, 2608712), (8, 1630445), (10, 1304356), (20, 652178), (31, 420760), (40, 326089), (62, 210380), (67, 194680), (124, 105190), (134, 97340), (155, 84152), (157, 83080), (248, 52595), (268, 48670), (310, 42076), (314, 41540), (335, 38936), (536, 24335), (620, 21038), (628, 20770), (670, 19468), (785, 16616), (1240, 10519), (1256, 10385), (1340, 9734), (1570, 8308), (2077, 6280), (2680, 4867), (3140, 4154)]