83640280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 199584000

約数和(自身を除く): 115943720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 659, 668, 760, 835, 1318, 1336, 1670, 2636, 3173, 3295, 3340, 5272, 6346, 6590, 6680, 12521, 12692, 13180, 15865, 25042, 25384, 26360, 31730, 50084, 62605, 63460, 100168, 110053, 125210, 126920, 220106, 250420, 440212, 500840, 550265, 880424, 1100530, 2091007, 2201060, 4182014, 4402120, 8364028, 10455035, 16728056, 20910070, 41820140, 83640280]

約数ペア:

[(1, 83640280), (2, 41820140), (4, 20910070), (5, 16728056), (8, 10455035), (10, 8364028), (19, 4402120), (20, 4182014), (38, 2201060), (40, 2091007), (76, 1100530), (95, 880424), (152, 550265), (167, 500840), (190, 440212), (334, 250420), (380, 220106), (659, 126920), (668, 125210), (760, 110053), (835, 100168), (1318, 63460), (1336, 62605), (1670, 50084), (2636, 31730), (3173, 26360), (3295, 25384), (3340, 25042), (5272, 15865), (6346, 13180), (6590, 12692), (6680, 12521)]