40678240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13381}}^1$

素因数の和:13415

約数の個数: 48

約数和(自身を含む): 101167920

約数和(自身を除く): 60489680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 13381, 26762, 53524, 66905, 107048, 133810, 214096, 254239, 267620, 428192, 508478, 535240, 1016956, 1070480, 1271195, 2033912, 2140960, 2542390, 4067824, 5084780, 8135648, 10169560, 20339120, 40678240]

約数ペア:

[(1, 40678240), (2, 20339120), (4, 10169560), (5, 8135648), (8, 5084780), (10, 4067824), (16, 2542390), (19, 2140960), (20, 2033912), (32, 1271195), (38, 1070480), (40, 1016956), (76, 535240), (80, 508478), (95, 428192), (152, 267620), (160, 254239), (190, 214096), (304, 133810), (380, 107048), (608, 66905), (760, 53524), (1520, 26762), (3040, 13381)]