51291545380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4354121}}^1$

素因数の和:4354180

約数の個数: 48

約数和(自身を含む): 117038799360

約数和(自身を除く): 65747253980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 4354121, 8708242, 17416484, 21770605, 43541210, 82728299, 87082420, 134977751, 165456598, 269955502, 330913196, 413641495, 539911004, 674888755, 827282990, 1349777510, 1654565980, 2564577269, 2699555020, 5129154538, 10258309076, 12822886345, 25645772690, 51291545380]

約数ペア:

[(1, 51291545380), (2, 25645772690), (4, 12822886345), (5, 10258309076), (10, 5129154538), (19, 2699555020), (20, 2564577269), (31, 1654565980), (38, 1349777510), (62, 827282990), (76, 674888755), (95, 539911004), (124, 413641495), (155, 330913196), (190, 269955502), (310, 165456598), (380, 134977751), (589, 87082420), (620, 82728299), (1178, 43541210), (2356, 21770605), (2945, 17416484), (5890, 8708242), (11780, 4354121)]