16892720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 43538880

約数和(自身を除く): 26646160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 439, 481, 520, 592, 740, 878, 962, 1040, 1480, 1756, 1924, 2195, 2405, 2960, 3512, 3848, 4390, 4810, 5707, 7024, 7696, 8780, 9620, 11414, 16243, 17560, 19240, 22828, 28535, 32486, 35120, 38480, 45656, 57070, 64972, 81215, 91312, 114140, 129944, 162430, 211159, 228280, 259888, 324860, 422318, 456560, 649720, 844636, 1055795, 1299440, 1689272, 2111590, 3378544, 4223180, 8446360, 16892720]

約数ペア:

[(1, 16892720), (2, 8446360), (4, 4223180), (5, 3378544), (8, 2111590), (10, 1689272), (13, 1299440), (16, 1055795), (20, 844636), (26, 649720), (37, 456560), (40, 422318), (52, 324860), (65, 259888), (74, 228280), (80, 211159), (104, 162430), (130, 129944), (148, 114140), (185, 91312), (208, 81215), (260, 64972), (296, 57070), (370, 45656), (439, 38480), (481, 35120), (520, 32486), (592, 28535), (740, 22828), (878, 19240), (962, 17560), (1040, 16243), (1480, 11414), (1756, 9620), (1924, 8780), (2195, 7696), (2405, 7024), (2960, 5707), (3512, 4810), (3848, 4390)]