2018637640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{4621}}^1$

素因数の和:4862

約数の個数: 64

約数和(自身を含む): 4639008960

約数和(自身を除く): 2620371320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 163, 268, 326, 335, 536, 652, 670, 815, 1304, 1340, 1630, 2680, 3260, 4621, 6520, 9242, 10921, 18484, 21842, 23105, 36968, 43684, 46210, 54605, 87368, 92420, 109210, 184840, 218420, 309607, 436840, 619214, 753223, 1238428, 1506446, 1548035, 2476856, 3012892, 3096070, 3766115, 6025784, 6192140, 7532230, 12384280, 15064460, 30128920, 50465941, 100931882, 201863764, 252329705, 403727528, 504659410, 1009318820, 2018637640]

約数ペア:

[(1, 2018637640), (2, 1009318820), (4, 504659410), (5, 403727528), (8, 252329705), (10, 201863764), (20, 100931882), (40, 50465941), (67, 30128920), (134, 15064460), (163, 12384280), (268, 7532230), (326, 6192140), (335, 6025784), (536, 3766115), (652, 3096070), (670, 3012892), (815, 2476856), (1304, 1548035), (1340, 1506446), (1630, 1238428), (2680, 753223), (3260, 619214), (4621, 436840), (6520, 309607), (9242, 218420), (10921, 184840), (18484, 109210), (21842, 92420), (23105, 87368), (36968, 54605), (43684, 46210)]