40022720

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1\times {\mathrm{691}}^1$

素因数の和:889

約数の個数: 56

約数和(自身を含む): 95969328

約数和(自身を除く): 55946608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 320, 362, 691, 724, 905, 1382, 1448, 1810, 2764, 2896, 3455, 3620, 5528, 5792, 6910, 7240, 11056, 11584, 13820, 14480, 22112, 27640, 28960, 44224, 55280, 57920, 110560, 125071, 221120, 250142, 500284, 625355, 1000568, 1250710, 2001136, 2501420, 4002272, 5002840, 8004544, 10005680, 20011360, 40022720]

約数ペア:

[(1, 40022720), (2, 20011360), (4, 10005680), (5, 8004544), (8, 5002840), (10, 4002272), (16, 2501420), (20, 2001136), (32, 1250710), (40, 1000568), (64, 625355), (80, 500284), (160, 250142), (181, 221120), (320, 125071), (362, 110560), (691, 57920), (724, 55280), (905, 44224), (1382, 28960), (1448, 27640), (1810, 22112), (2764, 14480), (2896, 13820), (3455, 11584), (3620, 11056), (5528, 7240), (5792, 6910)]