61885280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20357}}^1$

素因数の和:20391

約数の個数: 48

約数和(自身を含む): 153906480

約数和(自身を除く): 92021200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 20357, 40714, 81428, 101785, 162856, 203570, 325712, 386783, 407140, 651424, 773566, 814280, 1547132, 1628560, 1933915, 3094264, 3257120, 3867830, 6188528, 7735660, 12377056, 15471320, 30942640, 61885280]

約数ペア:

[(1, 61885280), (2, 30942640), (4, 15471320), (5, 12377056), (8, 7735660), (10, 6188528), (16, 3867830), (19, 3257120), (20, 3094264), (32, 1933915), (38, 1628560), (40, 1547132), (76, 814280), (80, 773566), (95, 651424), (152, 407140), (160, 386783), (190, 325712), (304, 203570), (380, 162856), (608, 101785), (760, 81428), (1520, 40714), (3040, 20357)]