156935560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{55259}}^1$

素因数の和:55341

約数の個数: 32

約数和(自身を含む): 358084800

約数和(自身を除く): 201149240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 55259, 110518, 221036, 276295, 442072, 552590, 1105180, 2210360, 3923389, 7846778, 15693556, 19616945, 31387112, 39233890, 78467780, 156935560]

約数ペア:

[(1, 156935560), (2, 78467780), (4, 39233890), (5, 31387112), (8, 19616945), (10, 15693556), (20, 7846778), (40, 3923389), (71, 2210360), (142, 1105180), (284, 552590), (355, 442072), (568, 276295), (710, 221036), (1420, 110518), (2840, 55259)]