16405184920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1\times {\mathrm{8713}}^1$

素因数の和:9284

約数の個数: 64

約数和(自身を含む): 37355872320

約数和(自身を除く): 20950687400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 457, 515, 824, 914, 1030, 1828, 2060, 2285, 3656, 4120, 4570, 8713, 9140, 17426, 18280, 34852, 43565, 47071, 69704, 87130, 94142, 174260, 188284, 235355, 348520, 376568, 470710, 897439, 941420, 1794878, 1882840, 3589756, 3981841, 4487195, 7179512, 7963682, 8974390, 15927364, 17948780, 19909205, 31854728, 35897560, 39818410, 79636820, 159273640, 410129623, 820259246, 1640518492, 2050648115, 3281036984, 4101296230, 8202592460, 16405184920]

約数ペア:

[(1, 16405184920), (2, 8202592460), (4, 4101296230), (5, 3281036984), (8, 2050648115), (10, 1640518492), (20, 820259246), (40, 410129623), (103, 159273640), (206, 79636820), (412, 39818410), (457, 35897560), (515, 31854728), (824, 19909205), (914, 17948780), (1030, 15927364), (1828, 8974390), (2060, 7963682), (2285, 7179512), (3656, 4487195), (4120, 3981841), (4570, 3589756), (8713, 1882840), (9140, 1794878), (17426, 941420), (18280, 897439), (34852, 470710), (43565, 376568), (47071, 348520), (69704, 235355), (87130, 188284), (94142, 174260)]