156974263240

素因数分解:

$2^3\times 5^1\times {\mathrm{8011}}^1\times {\mathrm{489871}}^1$

素因数の和:497893

約数の個数: 32

約数和(自身を含む): 353236901760

約数和(自身を除く): 196262638520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8011, 16022, 32044, 40055, 64088, 80110, 160220, 320440, 489871, 979742, 1959484, 2449355, 3918968, 4898710, 9797420, 19594840, 3924356581, 7848713162, 15697426324, 19621782905, 31394852648, 39243565810, 78487131620, 156974263240]

約数ペア:

[(1, 156974263240), (2, 78487131620), (4, 39243565810), (5, 31394852648), (8, 19621782905), (10, 15697426324), (20, 7848713162), (40, 3924356581), (8011, 19594840), (16022, 9797420), (32044, 4898710), (40055, 3918968), (64088, 2449355), (80110, 1959484), (160220, 979742), (320440, 489871)]