8049226720

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{320431}}^1$

素因数の和:320603

約数の個数: 48

約数和(自身を含む): 19137480768

約数和(自身を除く): 11088254048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 12560, 25120, 320431, 640862, 1281724, 1602155, 2563448, 3204310, 5126896, 6408620, 10253792, 12817240, 25634480, 50307667, 51268960, 100615334, 201230668, 251538335, 402461336, 503076670, 804922672, 1006153340, 1609845344, 2012306680, 4024613360, 8049226720]

約数ペア:

[(1, 8049226720), (2, 4024613360), (4, 2012306680), (5, 1609845344), (8, 1006153340), (10, 804922672), (16, 503076670), (20, 402461336), (32, 251538335), (40, 201230668), (80, 100615334), (157, 51268960), (160, 50307667), (314, 25634480), (628, 12817240), (785, 10253792), (1256, 6408620), (1570, 5126896), (2512, 3204310), (3140, 2563448), (5024, 1602155), (6280, 1281724), (12560, 640862), (25120, 320431)]