80455440760

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2027}}^1\times {\mathrm{2357}}^1$

素因数の和:4816

約数の個数: 64

約数和(自身を含む): 181621271520

約数和(自身を除く): 101165830760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2027, 2105, 2357, 3368, 4054, 4210, 4714, 8108, 8420, 9428, 10135, 11785, 16216, 16840, 18856, 20270, 23570, 40540, 47140, 81080, 94280, 853367, 992297, 1706734, 1984594, 3413468, 3969188, 4266835, 4777639, 4961485, 6826936, 7938376, 8533670, 9555278, 9922970, 17067340, 19110556, 19845940, 23888195, 34134680, 38221112, 39691880, 47776390, 95552780, 191105560, 2011386019, 4022772038, 8045544076, 10056930095, 16091088152, 20113860190, 40227720380, 80455440760]

約数ペア:

[(1, 80455440760), (2, 40227720380), (4, 20113860190), (5, 16091088152), (8, 10056930095), (10, 8045544076), (20, 4022772038), (40, 2011386019), (421, 191105560), (842, 95552780), (1684, 47776390), (2027, 39691880), (2105, 38221112), (2357, 34134680), (3368, 23888195), (4054, 19845940), (4210, 19110556), (4714, 17067340), (8108, 9922970), (8420, 9555278), (9428, 8533670), (10135, 7938376), (11785, 6826936), (16216, 4961485), (16840, 4777639), (18856, 4266835), (20270, 3969188), (23570, 3413468), (40540, 1984594), (47140, 1706734), (81080, 992297), (94280, 853367)]