13000900

素因数分解:

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

素因数の和:301

約数の個数: 72

約数和(自身を含む): 31497984

約数和(自身を除く): 18497084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 53, 55, 100, 106, 110, 212, 220, 223, 265, 275, 446, 530, 550, 583, 892, 1060, 1100, 1115, 1166, 1325, 2230, 2332, 2453, 2650, 2915, 4460, 4906, 5300, 5575, 5830, 9812, 11150, 11660, 11819, 12265, 14575, 22300, 23638, 24530, 29150, 47276, 49060, 58300, 59095, 61325, 118190, 122650, 130009, 236380, 245300, 260018, 295475, 520036, 590950, 650045, 1181900, 1300090, 2600180, 3250225, 6500450, 13000900]

約数ペア:

[(1, 13000900), (2, 6500450), (4, 3250225), (5, 2600180), (10, 1300090), (11, 1181900), (20, 650045), (22, 590950), (25, 520036), (44, 295475), (50, 260018), (53, 245300), (55, 236380), (100, 130009), (106, 122650), (110, 118190), (212, 61325), (220, 59095), (223, 58300), (265, 49060), (275, 47276), (446, 29150), (530, 24530), (550, 23638), (583, 22300), (892, 14575), (1060, 12265), (1100, 11819), (1115, 11660), (1166, 11150), (1325, 9812), (2230, 5830), (2332, 5575), (2453, 5300), (2650, 4906), (2915, 4460)]