2020477600

素因数分解:

$2^5\times 5^2\times {\mathrm{313}}^1\times {\mathrm{8069}}^1$

素因数の和:8402

約数の個数: 72

約数和(自身を含む): 4948862940

約数和(自身を除く): 2928385340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 313, 400, 626, 800, 1252, 1565, 2504, 3130, 5008, 6260, 7825, 8069, 10016, 12520, 15650, 16138, 25040, 31300, 32276, 40345, 50080, 62600, 64552, 80690, 125200, 129104, 161380, 201725, 250400, 258208, 322760, 403450, 645520, 806900, 1291040, 1613800, 2525597, 3227600, 5051194, 6455200, 10102388, 12627985, 20204776, 25255970, 40409552, 50511940, 63139925, 80819104, 101023880, 126279850, 202047760, 252559700, 404095520, 505119400, 1010238800, 2020477600]

約数ペア:

[(1, 2020477600), (2, 1010238800), (4, 505119400), (5, 404095520), (8, 252559700), (10, 202047760), (16, 126279850), (20, 101023880), (25, 80819104), (32, 63139925), (40, 50511940), (50, 40409552), (80, 25255970), (100, 20204776), (160, 12627985), (200, 10102388), (313, 6455200), (400, 5051194), (626, 3227600), (800, 2525597), (1252, 1613800), (1565, 1291040), (2504, 806900), (3130, 645520), (5008, 403450), (6260, 322760), (7825, 258208), (8069, 250400), (10016, 201725), (12520, 161380), (15650, 129104), (16138, 125200), (25040, 80690), (31300, 64552), (32276, 62600), (40345, 50080)]