157130240

素因数分解:

$2^9\times 5^1\times {\mathrm{61379}}^1$

素因数の和:61402

約数の個数: 40

約数和(自身を含む): 376750440

約数和(自身を除く): 219620200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 61379, 122758, 245516, 306895, 491032, 613790, 982064, 1227580, 1964128, 2455160, 3928256, 4910320, 7856512, 9820640, 15713024, 19641280, 31426048, 39282560, 78565120, 157130240]

約数ペア:

[(1, 157130240), (2, 78565120), (4, 39282560), (5, 31426048), (8, 19641280), (10, 15713024), (16, 9820640), (20, 7856512), (32, 4910320), (40, 3928256), (64, 2455160), (80, 1964128), (128, 1227580), (160, 982064), (256, 613790), (320, 491032), (512, 306895), (640, 245516), (1280, 122758), (2560, 61379)]