39658840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1439}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 97977600

約数和(自身を除く): 58318760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 1439, 2120, 2756, 2878, 3445, 5512, 5756, 6890, 7195, 11512, 13780, 14390, 18707, 27560, 28780, 37414, 57560, 74828, 76267, 93535, 149656, 152534, 187070, 305068, 374140, 381335, 610136, 748280, 762670, 991471, 1525340, 1982942, 3050680, 3965884, 4957355, 7931768, 9914710, 19829420, 39658840]

約数ペア:

[(1, 39658840), (2, 19829420), (4, 9914710), (5, 7931768), (8, 4957355), (10, 3965884), (13, 3050680), (20, 1982942), (26, 1525340), (40, 991471), (52, 762670), (53, 748280), (65, 610136), (104, 381335), (106, 374140), (130, 305068), (212, 187070), (260, 152534), (265, 149656), (424, 93535), (520, 76267), (530, 74828), (689, 57560), (1060, 37414), (1378, 28780), (1439, 27560), (2120, 18707), (2756, 14390), (2878, 13780), (3445, 11512), (5512, 7195), (5756, 6890)]