139378240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25621}}^1$

素因数の和:25655

約数の個数: 56

約数和(自身を含む): 351431352

約数和(自身を除く): 212053112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 25621, 51242, 102484, 128105, 204968, 256210, 409936, 435557, 512420, 819872, 871114, 1024840, 1639744, 1742228, 2049680, 2177785, 3484456, 4099360, 4355570, 6968912, 8198720, 8711140, 13937824, 17422280, 27875648, 34844560, 69689120, 139378240]

約数ペア:

[(1, 139378240), (2, 69689120), (4, 34844560), (5, 27875648), (8, 17422280), (10, 13937824), (16, 8711140), (17, 8198720), (20, 6968912), (32, 4355570), (34, 4099360), (40, 3484456), (64, 2177785), (68, 2049680), (80, 1742228), (85, 1639744), (136, 1024840), (160, 871114), (170, 819872), (272, 512420), (320, 435557), (340, 409936), (544, 256210), (680, 204968), (1088, 128105), (1360, 102484), (2720, 51242), (5440, 25621)]