25001690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 54867456

約数和(自身を除く): 29865766

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 53, 70, 106, 115, 161, 230, 265, 293, 322, 371, 530, 586, 742, 805, 1219, 1465, 1610, 1855, 2051, 2438, 2930, 3710, 4102, 6095, 6739, 8533, 10255, 12190, 13478, 15529, 17066, 20510, 31058, 33695, 42665, 47173, 67390, 77645, 85330, 94346, 108703, 155290, 217406, 235865, 357167, 471730, 543515, 714334, 1087030, 1785835, 2500169, 3571670, 5000338, 12500845, 25001690]

約数ペア:

[(1, 25001690), (2, 12500845), (5, 5000338), (7, 3571670), (10, 2500169), (14, 1785835), (23, 1087030), (35, 714334), (46, 543515), (53, 471730), (70, 357167), (106, 235865), (115, 217406), (161, 155290), (230, 108703), (265, 94346), (293, 85330), (322, 77645), (371, 67390), (530, 47173), (586, 42665), (742, 33695), (805, 31058), (1219, 20510), (1465, 17066), (1610, 15529), (1855, 13478), (2051, 12190), (2438, 10255), (2930, 8533), (3710, 6739), (4102, 6095)]