10400720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 26998272

約数和(自身を除く): 16597552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 223, 265, 424, 440, 446, 530, 583, 848, 880, 892, 1060, 1115, 1166, 1784, 2120, 2230, 2332, 2453, 2915, 3568, 4240, 4460, 4664, 4906, 5830, 8920, 9328, 9812, 11660, 11819, 12265, 17840, 19624, 23320, 23638, 24530, 39248, 46640, 47276, 49060, 59095, 94552, 98120, 118190, 130009, 189104, 196240, 236380, 260018, 472760, 520036, 650045, 945520, 1040072, 1300090, 2080144, 2600180, 5200360, 10400720]

約数ペア:

[(1, 10400720), (2, 5200360), (4, 2600180), (5, 2080144), (8, 1300090), (10, 1040072), (11, 945520), (16, 650045), (20, 520036), (22, 472760), (40, 260018), (44, 236380), (53, 196240), (55, 189104), (80, 130009), (88, 118190), (106, 98120), (110, 94552), (176, 59095), (212, 49060), (220, 47276), (223, 46640), (265, 39248), (424, 24530), (440, 23638), (446, 23320), (530, 19624), (583, 17840), (848, 12265), (880, 11819), (892, 11660), (1060, 9812), (1115, 9328), (1166, 8920), (1784, 5830), (2120, 4906), (2230, 4664), (2332, 4460), (2453, 4240), (2915, 3568)]