80240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:89

約数の個数: 40

約数和(自身を含む): 200880

約数和(自身を除く): 120640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 236, 272, 295, 340, 472, 590, 680, 944, 1003, 1180, 1360, 2006, 2360, 4012, 4720, 5015, 8024, 10030, 16048, 20060, 40120, 80240]

約数ペア:

[(1, 80240), (2, 40120), (4, 20060), (5, 16048), (8, 10030), (10, 8024), (16, 5015), (17, 4720), (20, 4012), (34, 2360), (40, 2006), (59, 1360), (68, 1180), (80, 1003), (85, 944), (118, 680), (136, 590), (170, 472), (236, 340), (272, 295)]