2087720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 5140800

約数和(自身を除く): 3053080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 67, 76, 82, 95, 134, 152, 164, 190, 205, 268, 328, 335, 380, 410, 536, 670, 760, 779, 820, 1273, 1340, 1558, 1640, 2546, 2680, 2747, 3116, 3895, 5092, 5494, 6232, 6365, 7790, 10184, 10988, 12730, 13735, 15580, 21976, 25460, 27470, 31160, 50920, 52193, 54940, 104386, 109880, 208772, 260965, 417544, 521930, 1043860, 2087720]

約数ペア:

[(1, 2087720), (2, 1043860), (4, 521930), (5, 417544), (8, 260965), (10, 208772), (19, 109880), (20, 104386), (38, 54940), (40, 52193), (41, 50920), (67, 31160), (76, 27470), (82, 25460), (95, 21976), (134, 15580), (152, 13735), (164, 12730), (190, 10988), (205, 10184), (268, 7790), (328, 6365), (335, 6232), (380, 5494), (410, 5092), (536, 3895), (670, 3116), (760, 2747), (779, 2680), (820, 2546), (1273, 1640), (1340, 1558)]