87441040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57527}}^1$

素因数の和:57559

約数の個数: 40

約数和(自身を含む): 214004160

約数和(自身を除く): 126563120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 57527, 115054, 230108, 287635, 460216, 575270, 920432, 1093013, 1150540, 2186026, 2301080, 4372052, 4602160, 5465065, 8744104, 10930130, 17488208, 21860260, 43720520, 87441040]

約数ペア:

[(1, 87441040), (2, 43720520), (4, 21860260), (5, 17488208), (8, 10930130), (10, 8744104), (16, 5465065), (19, 4602160), (20, 4372052), (38, 2301080), (40, 2186026), (76, 1150540), (80, 1093013), (95, 920432), (152, 575270), (190, 460216), (304, 287635), (380, 230108), (760, 115054), (1520, 57527)]