25996508780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{659}}^1\times {\mathrm{16301}}^1$

素因数の和:16991

約数の個数: 72

約数和(自身を含む): 60101561520

約数和(自身を除く): 34105052740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 659, 1210, 1318, 2420, 2636, 3295, 6590, 7249, 13180, 14498, 16301, 28996, 32602, 36245, 65204, 72490, 79739, 81505, 144980, 159478, 163010, 179311, 318956, 326020, 358622, 398695, 717244, 797390, 896555, 1594780, 1793110, 1972421, 3586220, 3944842, 7889684, 9862105, 10742359, 19724210, 21484718, 39448420, 42969436, 53711795, 107423590, 118165949, 214847180, 236331898, 472663796, 590829745, 1181659490, 1299825439, 2363318980, 2599650878, 5199301756, 6499127195, 12998254390, 25996508780]

約数ペア:

[(1, 25996508780), (2, 12998254390), (4, 6499127195), (5, 5199301756), (10, 2599650878), (11, 2363318980), (20, 1299825439), (22, 1181659490), (44, 590829745), (55, 472663796), (110, 236331898), (121, 214847180), (220, 118165949), (242, 107423590), (484, 53711795), (605, 42969436), (659, 39448420), (1210, 21484718), (1318, 19724210), (2420, 10742359), (2636, 9862105), (3295, 7889684), (6590, 3944842), (7249, 3586220), (13180, 1972421), (14498, 1793110), (16301, 1594780), (28996, 896555), (32602, 797390), (36245, 717244), (65204, 398695), (72490, 358622), (79739, 326020), (81505, 318956), (144980, 179311), (159478, 163010)]