178177520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42023}}^1$

素因数の和:42089

約数の個数: 40

約数和(自身を含む): 422089056

約数和(自身を除く): 243911536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 42023, 84046, 168092, 210115, 336184, 420230, 672368, 840460, 1680920, 2227219, 3361840, 4454438, 8908876, 11136095, 17817752, 22272190, 35635504, 44544380, 89088760, 178177520]

約数ペア:

[(1, 178177520), (2, 89088760), (4, 44544380), (5, 35635504), (8, 22272190), (10, 17817752), (16, 11136095), (20, 8908876), (40, 4454438), (53, 3361840), (80, 2227219), (106, 1680920), (212, 840460), (265, 672368), (424, 420230), (530, 336184), (848, 210115), (1060, 168092), (2120, 84046), (4240, 42023)]