130048720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 319979520

約数和(自身を除く): 189930800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1279, 1640, 2480, 2542, 2558, 3280, 5084, 5116, 6355, 6395, 10168, 10232, 12710, 12790, 20336, 20464, 25420, 25580, 39649, 50840, 51160, 52439, 79298, 101680, 102320, 104878, 158596, 198245, 209756, 262195, 317192, 396490, 419512, 524390, 634384, 792980, 839024, 1048780, 1585960, 1625609, 2097560, 3171920, 3251218, 4195120, 6502436, 8128045, 13004872, 16256090, 26009744, 32512180, 65024360, 130048720]

約数ペア:

[(1, 130048720), (2, 65024360), (4, 32512180), (5, 26009744), (8, 16256090), (10, 13004872), (16, 8128045), (20, 6502436), (31, 4195120), (40, 3251218), (41, 3171920), (62, 2097560), (80, 1625609), (82, 1585960), (124, 1048780), (155, 839024), (164, 792980), (205, 634384), (248, 524390), (310, 419512), (328, 396490), (410, 317192), (496, 262195), (620, 209756), (656, 198245), (820, 158596), (1240, 104878), (1271, 102320), (1279, 101680), (1640, 79298), (2480, 52439), (2542, 51160), (2558, 50840), (3280, 39649), (5084, 25580), (5116, 25420), (6355, 20464), (6395, 20336), (10168, 12790), (10232, 12710)]