65115280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42839}}^1$

素因数の和:42871

約数の個数: 40

約数和(自身を含む): 159364800

約数和(自身を除く): 94249520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 42839, 85678, 171356, 214195, 342712, 428390, 685424, 813941, 856780, 1627882, 1713560, 3255764, 3427120, 4069705, 6511528, 8139410, 13023056, 16278820, 32557640, 65115280]

約数ペア:

[(1, 65115280), (2, 32557640), (4, 16278820), (5, 13023056), (8, 8139410), (10, 6511528), (16, 4069705), (19, 3427120), (20, 3255764), (38, 1713560), (40, 1627882), (76, 856780), (80, 813941), (95, 685424), (152, 428390), (190, 342712), (304, 214195), (380, 171356), (760, 85678), (1520, 42839)]