28443040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10457}}^1$

素因数の和:10489

約数の個数: 48

約数和(自身を含む): 71156232

約数和(自身を除く): 42713192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10457, 20914, 41828, 52285, 83656, 104570, 167312, 177769, 209140, 334624, 355538, 418280, 711076, 836560, 888845, 1422152, 1673120, 1777690, 2844304, 3555380, 5688608, 7110760, 14221520, 28443040]

約数ペア:

[(1, 28443040), (2, 14221520), (4, 7110760), (5, 5688608), (8, 3555380), (10, 2844304), (16, 1777690), (17, 1673120), (20, 1422152), (32, 888845), (34, 836560), (40, 711076), (68, 418280), (80, 355538), (85, 334624), (136, 209140), (160, 177769), (170, 167312), (272, 104570), (340, 83656), (544, 52285), (680, 41828), (1360, 20914), (2720, 10457)]