2101154960

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{316439}}^1$

素因数の和:316535

約数の個数: 40

約数和(自身を含む): 4944058560

約数和(自身を除く): 2842903600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 316439, 632878, 1265756, 1582195, 2531512, 3164390, 5063024, 6328780, 12657560, 25315120, 26264437, 52528874, 105057748, 131322185, 210115496, 262644370, 420230992, 525288740, 1050577480, 2101154960]

約数ペア:

[(1, 2101154960), (2, 1050577480), (4, 525288740), (5, 420230992), (8, 262644370), (10, 210115496), (16, 131322185), (20, 105057748), (40, 52528874), (80, 26264437), (83, 25315120), (166, 12657560), (332, 6328780), (415, 5063024), (664, 3164390), (830, 2531512), (1328, 1582195), (1660, 1265756), (3320, 632878), (6640, 316439)]