156933760

素因数分解:

$2^7\times 5^1\times {\mathrm{245209}}^1$

素因数の和:245228

約数の個数: 32

約数和(自身を含む): 375171300

約数和(自身を除く): 218237540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 245209, 490418, 980836, 1226045, 1961672, 2452090, 3923344, 4904180, 7846688, 9808360, 15693376, 19616720, 31386752, 39233440, 78466880, 156933760]

約数ペア:

[(1, 156933760), (2, 78466880), (4, 39233440), (5, 31386752), (8, 19616720), (10, 15693376), (16, 9808360), (20, 7846688), (32, 4904180), (40, 3923344), (64, 2452090), (80, 1961672), (128, 1226045), (160, 980836), (320, 490418), (640, 245209)]