196398640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79193}}^1$

素因数の和:79237

約数の個数: 40

約数和(自身を含む): 471362688

約数和(自身を除く): 274964048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 79193, 158386, 316772, 395965, 633544, 791930, 1267088, 1583860, 2454983, 3167720, 4909966, 6335440, 9819932, 12274915, 19639864, 24549830, 39279728, 49099660, 98199320, 196398640]

約数ペア:

[(1, 196398640), (2, 98199320), (4, 49099660), (5, 39279728), (8, 24549830), (10, 19639864), (16, 12274915), (20, 9819932), (31, 6335440), (40, 4909966), (62, 3167720), (80, 2454983), (124, 1583860), (155, 1267088), (248, 791930), (310, 633544), (496, 395965), (620, 316772), (1240, 158386), (2480, 79193)]