172071920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40583}}^1$

素因数の和:40649

約数の個数: 40

約数和(自身を含む): 407625696

約数和(自身を除く): 235553776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 40583, 81166, 162332, 202915, 324664, 405830, 649328, 811660, 1623320, 2150899, 3246640, 4301798, 8603596, 10754495, 17207192, 21508990, 34414384, 43017980, 86035960, 172071920]

約数ペア:

[(1, 172071920), (2, 86035960), (4, 43017980), (5, 34414384), (8, 21508990), (10, 17207192), (16, 10754495), (20, 8603596), (40, 4301798), (53, 3246640), (80, 2150899), (106, 1623320), (212, 811660), (265, 649328), (424, 405830), (530, 324664), (848, 202915), (1060, 162332), (2120, 81166), (4240, 40583)]