201782320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61519}}^1$

素因数の和:61573

約数の個数: 40

約数和(自身を含む): 480594240

約数和(自身を除く): 278811920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 61519, 123038, 246076, 307595, 492152, 615190, 984304, 1230380, 2460760, 2522279, 4921520, 5044558, 10089116, 12611395, 20178232, 25222790, 40356464, 50445580, 100891160, 201782320]

約数ペア:

[(1, 201782320), (2, 100891160), (4, 50445580), (5, 40356464), (8, 25222790), (10, 20178232), (16, 12611395), (20, 10089116), (40, 5044558), (41, 4921520), (80, 2522279), (82, 2460760), (164, 1230380), (205, 984304), (328, 615190), (410, 492152), (656, 307595), (820, 246076), (1640, 123038), (3280, 61519)]