86915120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 214510080

約数和(自身を除く): 127594960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 211, 271, 304, 380, 422, 542, 760, 844, 1055, 1084, 1355, 1520, 1688, 2110, 2168, 2710, 3376, 4009, 4220, 4336, 5149, 5420, 8018, 8440, 10298, 10840, 16036, 16880, 20045, 20596, 21680, 25745, 32072, 40090, 41192, 51490, 57181, 64144, 80180, 82384, 102980, 114362, 160360, 205960, 228724, 285905, 320720, 411920, 457448, 571810, 914896, 1086439, 1143620, 2172878, 2287240, 4345756, 4574480, 5432195, 8691512, 10864390, 17383024, 21728780, 43457560, 86915120]

約数ペア:

[(1, 86915120), (2, 43457560), (4, 21728780), (5, 17383024), (8, 10864390), (10, 8691512), (16, 5432195), (19, 4574480), (20, 4345756), (38, 2287240), (40, 2172878), (76, 1143620), (80, 1086439), (95, 914896), (152, 571810), (190, 457448), (211, 411920), (271, 320720), (304, 285905), (380, 228724), (422, 205960), (542, 160360), (760, 114362), (844, 102980), (1055, 82384), (1084, 80180), (1355, 64144), (1520, 57181), (1688, 51490), (2110, 41192), (2168, 40090), (2710, 32072), (3376, 25745), (4009, 21680), (4220, 20596), (4336, 20045), (5149, 16880), (5420, 16036), (8018, 10840), (8440, 10298)]