1405622320

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{38447}}^1$

素因数の和:38917

約数の個数: 40

約数和(自身を含む): 3275308224

約数和(自身を除く): 1869685904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 2285, 3656, 4570, 7312, 9140, 18280, 36560, 38447, 76894, 153788, 192235, 307576, 384470, 615152, 768940, 1537880, 3075760, 17570279, 35140558, 70281116, 87851395, 140562232, 175702790, 281124464, 351405580, 702811160, 1405622320]

約数ペア:

[(1, 1405622320), (2, 702811160), (4, 351405580), (5, 281124464), (8, 175702790), (10, 140562232), (16, 87851395), (20, 70281116), (40, 35140558), (80, 17570279), (457, 3075760), (914, 1537880), (1828, 768940), (2285, 615152), (3656, 384470), (4570, 307576), (7312, 192235), (9140, 153788), (18280, 76894), (36560, 38447)]