157400720

素因数分解:

$2^4\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{1433}}^1$

素因数の和:2819

約数の個数: 40

約数和(自身を含む): 366478776

約数和(自身を除く): 209078056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1373, 1433, 2746, 2866, 5492, 5732, 6865, 7165, 10984, 11464, 13730, 14330, 21968, 22928, 27460, 28660, 54920, 57320, 109840, 114640, 1967509, 3935018, 7870036, 9837545, 15740072, 19675090, 31480144, 39350180, 78700360, 157400720]

約数ペア:

[(1, 157400720), (2, 78700360), (4, 39350180), (5, 31480144), (8, 19675090), (10, 15740072), (16, 9837545), (20, 7870036), (40, 3935018), (80, 1967509), (1373, 114640), (1433, 109840), (2746, 57320), (2866, 54920), (5492, 28660), (5732, 27460), (6865, 22928), (7165, 21968), (10984, 14330), (11464, 13730)]