162560900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 373309440

約数和(自身を除く): 210748540

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 410, 620, 775, 820, 1025, 1271, 1279, 1550, 2050, 2542, 2558, 3100, 4100, 5084, 5116, 6355, 6395, 12710, 12790, 25420, 25580, 31775, 31975, 39649, 52439, 63550, 63950, 79298, 104878, 127100, 127900, 158596, 198245, 209756, 262195, 396490, 524390, 792980, 991225, 1048780, 1310975, 1625609, 1982450, 2621950, 3251218, 3964900, 5243900, 6502436, 8128045, 16256090, 32512180, 40640225, 81280450, 162560900]

約数ペア:

[(1, 162560900), (2, 81280450), (4, 40640225), (5, 32512180), (10, 16256090), (20, 8128045), (25, 6502436), (31, 5243900), (41, 3964900), (50, 3251218), (62, 2621950), (82, 1982450), (100, 1625609), (124, 1310975), (155, 1048780), (164, 991225), (205, 792980), (310, 524390), (410, 396490), (620, 262195), (775, 209756), (820, 198245), (1025, 158596), (1271, 127900), (1279, 127100), (1550, 104878), (2050, 79298), (2542, 63950), (2558, 63550), (3100, 52439), (4100, 39649), (5084, 31975), (5116, 31775), (6355, 25580), (6395, 25420), (12710, 12790)]