156740188760

素因数分解:

$2^3\times 5^1\times {\mathrm{4421}}^1\times {\mathrm{886339}}^1$

素因数の和:890771

約数の個数: 32

約数和(自身を含む): 352745593200

約数和(自身を除く): 196005404440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4421, 8842, 17684, 22105, 35368, 44210, 88420, 176840, 886339, 1772678, 3545356, 4431695, 7090712, 8863390, 17726780, 35453560, 3918504719, 7837009438, 15674018876, 19592523595, 31348037752, 39185047190, 78370094380, 156740188760]

約数ペア:

[(1, 156740188760), (2, 78370094380), (4, 39185047190), (5, 31348037752), (8, 19592523595), (10, 15674018876), (20, 7837009438), (40, 3918504719), (4421, 35453560), (8842, 17726780), (17684, 8863390), (22105, 7090712), (35368, 4431695), (44210, 3545356), (88420, 1772678), (176840, 886339)]