66159440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28517}}^1$

素因数の和:28559

約数の個数: 40

約数和(自身を含む): 159130440

約数和(自身を除く): 92971000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 28517, 57034, 114068, 142585, 228136, 285170, 456272, 570340, 826993, 1140680, 1653986, 2281360, 3307972, 4134965, 6615944, 8269930, 13231888, 16539860, 33079720, 66159440]

約数ペア:

[(1, 66159440), (2, 33079720), (4, 16539860), (5, 13231888), (8, 8269930), (10, 6615944), (16, 4134965), (20, 3307972), (29, 2281360), (40, 1653986), (58, 1140680), (80, 826993), (116, 570340), (145, 456272), (232, 285170), (290, 228136), (464, 142585), (580, 114068), (1160, 57034), (2320, 28517)]