16405564120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{246923}}^1$

素因数の和:247096

約数の個数: 64

約数和(自身を含む): 40535043840

約数和(自身を除く): 24129479720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 604, 755, 1208, 1510, 1661, 3020, 3322, 6040, 6644, 8305, 13288, 16610, 33220, 66440, 246923, 493846, 987692, 1234615, 1975384, 2469230, 2716153, 4938460, 5432306, 9876920, 10864612, 13580765, 21729224, 27161530, 37285373, 54323060, 74570746, 108646120, 149141492, 186426865, 298282984, 372853730, 410139103, 745707460, 820278206, 1491414920, 1640556412, 2050695515, 3281112824, 4101391030, 8202782060, 16405564120]

約数ペア:

[(1, 16405564120), (2, 8202782060), (4, 4101391030), (5, 3281112824), (8, 2050695515), (10, 1640556412), (11, 1491414920), (20, 820278206), (22, 745707460), (40, 410139103), (44, 372853730), (55, 298282984), (88, 186426865), (110, 149141492), (151, 108646120), (220, 74570746), (302, 54323060), (440, 37285373), (604, 27161530), (755, 21729224), (1208, 13580765), (1510, 10864612), (1661, 9876920), (3020, 5432306), (3322, 4938460), (6040, 2716153), (6644, 2469230), (8305, 1975384), (13288, 1234615), (16610, 987692), (33220, 493846), (66440, 246923)]