15691784860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1\times {\mathrm{29761}}^1$

素因数の和:30454

約数の個数: 48

約数和(自身を含む): 33810108192

約数和(自身を除く): 18118323332

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 643, 820, 1286, 2572, 3215, 6430, 12860, 26363, 29761, 52726, 59522, 105452, 119044, 131815, 148805, 263630, 297610, 527260, 595220, 1220201, 2440402, 4880804, 6101005, 12202010, 19136323, 24404020, 38272646, 76545292, 95681615, 191363230, 382726460, 784589243, 1569178486, 3138356972, 3922946215, 7845892430, 15691784860]

約数ペア:

[(1, 15691784860), (2, 7845892430), (4, 3922946215), (5, 3138356972), (10, 1569178486), (20, 784589243), (41, 382726460), (82, 191363230), (164, 95681615), (205, 76545292), (410, 38272646), (643, 24404020), (820, 19136323), (1286, 12202010), (2572, 6101005), (3215, 4880804), (6430, 2440402), (12860, 1220201), (26363, 595220), (29761, 527260), (52726, 297610), (59522, 263630), (105452, 148805), (119044, 131815)]