25289720

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2333}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 57136320

約数和(自身を除く): 31846600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2333, 2710, 4666, 5420, 9332, 10840, 11665, 18664, 23330, 46660, 93320, 632243, 1264486, 2528972, 3161215, 5057944, 6322430, 12644860, 25289720]

約数ペア:

[(1, 25289720), (2, 12644860), (4, 6322430), (5, 5057944), (8, 3161215), (10, 2528972), (20, 1264486), (40, 632243), (271, 93320), (542, 46660), (1084, 23330), (1355, 18664), (2168, 11665), (2333, 10840), (2710, 9332), (4666, 5420)]