17888560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4219}}^1$

素因数の和:4285

約数の個数: 40

約数和(自身を含む): 42385680

約数和(自身を除く): 24497120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4219, 4240, 8438, 16876, 21095, 33752, 42190, 67504, 84380, 168760, 223607, 337520, 447214, 894428, 1118035, 1788856, 2236070, 3577712, 4472140, 8944280, 17888560]

約数ペア:

[(1, 17888560), (2, 8944280), (4, 4472140), (5, 3577712), (8, 2236070), (10, 1788856), (16, 1118035), (20, 894428), (40, 447214), (53, 337520), (80, 223607), (106, 168760), (212, 84380), (265, 67504), (424, 42190), (530, 33752), (848, 21095), (1060, 16876), (2120, 8438), (4219, 4240)]