25293280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{547}}^1$

素因数の和:596

約数の個数: 72

約数和(自身を含む): 63593208

約数和(自身を除く): 38299928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 547, 578, 680, 1094, 1156, 1360, 1445, 2188, 2312, 2720, 2735, 2890, 4376, 4624, 5470, 5780, 8752, 9248, 9299, 10940, 11560, 17504, 18598, 21880, 23120, 37196, 43760, 46240, 46495, 74392, 87520, 92990, 148784, 158083, 185980, 297568, 316166, 371960, 632332, 743920, 790415, 1264664, 1487840, 1580830, 2529328, 3161660, 5058656, 6323320, 12646640, 25293280]

約数ペア:

[(1, 25293280), (2, 12646640), (4, 6323320), (5, 5058656), (8, 3161660), (10, 2529328), (16, 1580830), (17, 1487840), (20, 1264664), (32, 790415), (34, 743920), (40, 632332), (68, 371960), (80, 316166), (85, 297568), (136, 185980), (160, 158083), (170, 148784), (272, 92990), (289, 87520), (340, 74392), (544, 46495), (547, 46240), (578, 43760), (680, 37196), (1094, 23120), (1156, 21880), (1360, 18598), (1445, 17504), (2188, 11560), (2312, 10940), (2720, 9299), (2735, 9248), (2890, 8752), (4376, 5780), (4624, 5470)]