25804782040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2731}}^1\times {\mathrm{4457}}^1$

素因数の和:7252

約数の個数: 64

約数和(自身を含む): 59191184160

約数和(自身を除く): 33386402120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 2731, 4457, 5462, 8914, 10924, 13655, 17828, 21848, 22285, 27310, 35656, 44570, 54620, 89140, 109240, 144743, 178280, 236221, 289486, 472442, 578972, 723715, 944884, 1157944, 1181105, 1447430, 1889768, 2362210, 2894860, 4724420, 5789720, 9448840, 12172067, 24344134, 48688268, 60860335, 97376536, 121720670, 243441340, 486882680, 645119551, 1290239102, 2580478204, 3225597755, 5160956408, 6451195510, 12902391020, 25804782040]

約数ペア:

[(1, 25804782040), (2, 12902391020), (4, 6451195510), (5, 5160956408), (8, 3225597755), (10, 2580478204), (20, 1290239102), (40, 645119551), (53, 486882680), (106, 243441340), (212, 121720670), (265, 97376536), (424, 60860335), (530, 48688268), (1060, 24344134), (2120, 12172067), (2731, 9448840), (4457, 5789720), (5462, 4724420), (8914, 2894860), (10924, 2362210), (13655, 1889768), (17828, 1447430), (21848, 1181105), (22285, 1157944), (27310, 944884), (35656, 723715), (44570, 578972), (54620, 472442), (89140, 289486), (109240, 236221), (144743, 178280)]