66613240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87649}}^1$

素因数の和:87679

約数の個数: 32

約数和(自身を含む): 157770000

約数和(自身を除く): 91156760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87649, 175298, 350596, 438245, 701192, 876490, 1665331, 1752980, 3330662, 3505960, 6661324, 8326655, 13322648, 16653310, 33306620, 66613240]

約数ペア:

[(1, 66613240), (2, 33306620), (4, 16653310), (5, 13322648), (8, 8326655), (10, 6661324), (19, 3505960), (20, 3330662), (38, 1752980), (40, 1665331), (76, 876490), (95, 701192), (152, 438245), (190, 350596), (380, 175298), (760, 87649)]