26990720

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 65159640

約数和(自身を除く): 38168920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 233, 320, 362, 466, 640, 724, 905, 932, 1165, 1448, 1810, 1864, 2330, 2896, 3620, 3728, 4660, 5792, 7240, 7456, 9320, 11584, 14480, 14912, 18640, 23168, 28960, 29824, 37280, 42173, 57920, 74560, 84346, 115840, 149120, 168692, 210865, 337384, 421730, 674768, 843460, 1349536, 1686920, 2699072, 3373840, 5398144, 6747680, 13495360, 26990720]

約数ペア:

[(1, 26990720), (2, 13495360), (4, 6747680), (5, 5398144), (8, 3373840), (10, 2699072), (16, 1686920), (20, 1349536), (32, 843460), (40, 674768), (64, 421730), (80, 337384), (128, 210865), (160, 168692), (181, 149120), (233, 115840), (320, 84346), (362, 74560), (466, 57920), (640, 42173), (724, 37280), (905, 29824), (932, 28960), (1165, 23168), (1448, 18640), (1810, 14912), (1864, 14480), (2330, 11584), (2896, 9320), (3620, 7456), (3728, 7240), (4660, 5792)]