25237240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 65396160

約数和(自身を除く): 40158920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 521, 692, 865, 1042, 1211, 1384, 1730, 2084, 2422, 2605, 3460, 3647, 4168, 4844, 5210, 6055, 6920, 7294, 9688, 10420, 12110, 14588, 18235, 20840, 24220, 29176, 36470, 48440, 72940, 90133, 145880, 180266, 360532, 450665, 630931, 721064, 901330, 1261862, 1802660, 2523724, 3154655, 3605320, 5047448, 6309310, 12618620, 25237240]

約数ペア:

[(1, 25237240), (2, 12618620), (4, 6309310), (5, 5047448), (7, 3605320), (8, 3154655), (10, 2523724), (14, 1802660), (20, 1261862), (28, 901330), (35, 721064), (40, 630931), (56, 450665), (70, 360532), (140, 180266), (173, 145880), (280, 90133), (346, 72940), (521, 48440), (692, 36470), (865, 29176), (1042, 24220), (1211, 20840), (1384, 18235), (1730, 14588), (2084, 12110), (2422, 10420), (2605, 9688), (3460, 7294), (3647, 6920), (4168, 6055), (4844, 5210)]