2018056900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{8069}}^1$

素因数の和:8185

約数の個数: 72

約数和(自身を含む): 4560098760

約数和(自身を除く): 2542041860

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 61, 82, 100, 122, 164, 205, 244, 305, 410, 610, 820, 1025, 1220, 1525, 2050, 2501, 3050, 4100, 5002, 6100, 8069, 10004, 12505, 16138, 25010, 32276, 40345, 50020, 62525, 80690, 125050, 161380, 201725, 250100, 330829, 403450, 492209, 661658, 806900, 984418, 1323316, 1654145, 1968836, 2461045, 3308290, 4922090, 6616580, 8270725, 9844180, 12305225, 16541450, 20180569, 24610450, 33082900, 40361138, 49220900, 80722276, 100902845, 201805690, 403611380, 504514225, 1009028450, 2018056900]

約数ペア:

[(1, 2018056900), (2, 1009028450), (4, 504514225), (5, 403611380), (10, 201805690), (20, 100902845), (25, 80722276), (41, 49220900), (50, 40361138), (61, 33082900), (82, 24610450), (100, 20180569), (122, 16541450), (164, 12305225), (205, 9844180), (244, 8270725), (305, 6616580), (410, 4922090), (610, 3308290), (820, 2461045), (1025, 1968836), (1220, 1654145), (1525, 1323316), (2050, 984418), (2501, 806900), (3050, 661658), (4100, 492209), (5002, 403450), (6100, 330829), (8069, 250100), (10004, 201725), (12505, 161380), (16138, 125050), (25010, 80690), (32276, 62525), (40345, 50020)]