38947720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7321}}^1$

素因数の和:7358

約数の個数: 64

約数和(自身を含む): 105436800

約数和(自身を除く): 66489080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 7321, 14642, 29284, 36605, 51247, 58568, 73210, 102494, 139099, 146420, 204988, 256235, 278198, 292840, 409976, 512470, 556396, 695495, 973693, 1024940, 1112792, 1390990, 1947386, 2049880, 2781980, 3894772, 4868465, 5563960, 7789544, 9736930, 19473860, 38947720]

約数ペア:

[(1, 38947720), (2, 19473860), (4, 9736930), (5, 7789544), (7, 5563960), (8, 4868465), (10, 3894772), (14, 2781980), (19, 2049880), (20, 1947386), (28, 1390990), (35, 1112792), (38, 1024940), (40, 973693), (56, 695495), (70, 556396), (76, 512470), (95, 409976), (133, 292840), (140, 278198), (152, 256235), (190, 204988), (266, 146420), (280, 139099), (380, 102494), (532, 73210), (665, 58568), (760, 51247), (1064, 36605), (1330, 29284), (2660, 14642), (5320, 7321)]