2013564020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{3119}}^1$

素因数の和:3345

約数の個数: 72

約数和(自身を含む): 4604221440

約数和(自身を除く): 2590657420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 191, 260, 338, 382, 676, 764, 845, 955, 1690, 1910, 2483, 3119, 3380, 3820, 4966, 6238, 9932, 12415, 12476, 15595, 24830, 31190, 32279, 40547, 49660, 62380, 64558, 81094, 129116, 161395, 162188, 202735, 322790, 405470, 527111, 595729, 645580, 810940, 1054222, 1191458, 2108444, 2382916, 2635555, 2978645, 5271110, 5957290, 7744477, 10542220, 11914580, 15488954, 30977908, 38722385, 77444770, 100678201, 154889540, 201356402, 402712804, 503391005, 1006782010, 2013564020]

約数ペア:

[(1, 2013564020), (2, 1006782010), (4, 503391005), (5, 402712804), (10, 201356402), (13, 154889540), (20, 100678201), (26, 77444770), (52, 38722385), (65, 30977908), (130, 15488954), (169, 11914580), (191, 10542220), (260, 7744477), (338, 5957290), (382, 5271110), (676, 2978645), (764, 2635555), (845, 2382916), (955, 2108444), (1690, 1191458), (1910, 1054222), (2483, 810940), (3119, 645580), (3380, 595729), (3820, 527111), (4966, 405470), (6238, 322790), (9932, 202735), (12415, 162188), (12476, 161395), (15595, 129116), (24830, 81094), (31190, 64558), (32279, 62380), (40547, 49660)]