81764600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21517}}^1$

素因数の和:21552

約数の個数: 48

約数和(自身を含む): 200117400

約数和(自身を除く): 118352800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 21517, 43034, 86068, 107585, 172136, 215170, 408823, 430340, 537925, 817646, 860680, 1075850, 1635292, 2044115, 2151700, 3270584, 4088230, 4303400, 8176460, 10220575, 16352920, 20441150, 40882300, 81764600]

約数ペア:

[(1, 81764600), (2, 40882300), (4, 20441150), (5, 16352920), (8, 10220575), (10, 8176460), (19, 4303400), (20, 4088230), (25, 3270584), (38, 2151700), (40, 2044115), (50, 1635292), (76, 1075850), (95, 860680), (100, 817646), (152, 537925), (190, 430340), (200, 408823), (380, 215170), (475, 172136), (760, 107585), (950, 86068), (1900, 43034), (3800, 21517)]