66620780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 143942400

約数和(自身を除く): 77321620

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 268, 332, 335, 415, 599, 670, 830, 1198, 1340, 1660, 2396, 2995, 5561, 5990, 11122, 11980, 22244, 27805, 40133, 49717, 55610, 80266, 99434, 111220, 160532, 198868, 200665, 248585, 401330, 497170, 802660, 994340, 3331039, 6662078, 13324156, 16655195, 33310390, 66620780]

約数ペア:

[(1, 66620780), (2, 33310390), (4, 16655195), (5, 13324156), (10, 6662078), (20, 3331039), (67, 994340), (83, 802660), (134, 497170), (166, 401330), (268, 248585), (332, 200665), (335, 198868), (415, 160532), (599, 111220), (670, 99434), (830, 80266), (1198, 55610), (1340, 49717), (1660, 40133), (2396, 27805), (2995, 22244), (5561, 11980), (5990, 11122)]