90113720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28517}}^1$

素因数の和:28607

約数の個数: 32

約数和(自身を含む): 205329600

約数和(自身を除く): 115215880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28517, 57034, 114068, 142585, 228136, 285170, 570340, 1140680, 2252843, 4505686, 9011372, 11264215, 18022744, 22528430, 45056860, 90113720]

約数ペア:

[(1, 90113720), (2, 45056860), (4, 22528430), (5, 18022744), (8, 11264215), (10, 9011372), (20, 4505686), (40, 2252843), (79, 1140680), (158, 570340), (316, 285170), (395, 228136), (632, 142585), (790, 114068), (1580, 57034), (3160, 28517)]