86777560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{503}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 206841600

約数和(自身を除く): 120064040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 227, 380, 454, 503, 760, 908, 1006, 1135, 1816, 2012, 2270, 2515, 4024, 4313, 4540, 5030, 8626, 9080, 9557, 10060, 17252, 19114, 20120, 21565, 34504, 38228, 43130, 47785, 76456, 86260, 95570, 114181, 172520, 191140, 228362, 382280, 456724, 570905, 913448, 1141810, 2169439, 2283620, 4338878, 4567240, 8677756, 10847195, 17355512, 21694390, 43388780, 86777560]

約数ペア:

[(1, 86777560), (2, 43388780), (4, 21694390), (5, 17355512), (8, 10847195), (10, 8677756), (19, 4567240), (20, 4338878), (38, 2283620), (40, 2169439), (76, 1141810), (95, 913448), (152, 570905), (190, 456724), (227, 382280), (380, 228362), (454, 191140), (503, 172520), (760, 114181), (908, 95570), (1006, 86260), (1135, 76456), (1816, 47785), (2012, 43130), (2270, 38228), (2515, 34504), (4024, 21565), (4313, 20120), (4540, 19114), (5030, 17252), (8626, 10060), (9080, 9557)]