78312682820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4441}}^1\times {\mathrm{8089}}^1$

素因数の和:12648

約数の個数: 48

約数和(自身を含む): 166023303600

約数和(自身を除く): 87710620780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 4441, 8089, 8882, 16178, 17764, 22205, 32356, 40445, 44410, 80890, 88820, 161780, 484069, 881701, 968138, 1763402, 1936276, 2420345, 3526804, 4408505, 4840690, 8817010, 9681380, 17634020, 35923249, 71846498, 143692996, 179616245, 359232490, 718464980, 3915634141, 7831268282, 15662536564, 19578170705, 39156341410, 78312682820]

約数ペア:

[(1, 78312682820), (2, 39156341410), (4, 19578170705), (5, 15662536564), (10, 7831268282), (20, 3915634141), (109, 718464980), (218, 359232490), (436, 179616245), (545, 143692996), (1090, 71846498), (2180, 35923249), (4441, 17634020), (8089, 9681380), (8882, 8817010), (16178, 4840690), (17764, 4408505), (22205, 3526804), (32356, 2420345), (40445, 1936276), (44410, 1763402), (80890, 968138), (88820, 881701), (161780, 484069)]