29965640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12281}}^1$

素因数の和:12353

約数の個数: 32

約数和(自身を含む): 68533560

約数和(自身を除く): 38567920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12281, 24562, 49124, 61405, 98248, 122810, 245620, 491240, 749141, 1498282, 2996564, 3745705, 5993128, 7491410, 14982820, 29965640]

約数ペア:

[(1, 29965640), (2, 14982820), (4, 7491410), (5, 5993128), (8, 3745705), (10, 2996564), (20, 1498282), (40, 749141), (61, 491240), (122, 245620), (244, 122810), (305, 98248), (488, 61405), (610, 49124), (1220, 24562), (2440, 12281)]