25132630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 27122090

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 251, 310, 323, 502, 527, 589, 646, 1054, 1178, 1255, 1615, 2510, 2635, 2945, 3230, 4267, 4769, 5270, 5890, 7781, 8534, 9538, 10013, 15562, 20026, 21335, 23845, 38905, 42670, 47690, 50065, 77810, 81073, 100130, 132277, 147839, 162146, 264554, 295678, 405365, 661385, 739195, 810730, 1322770, 1478390, 2513263, 5026526, 12566315, 25132630]

約数ペア:

[(1, 25132630), (2, 12566315), (5, 5026526), (10, 2513263), (17, 1478390), (19, 1322770), (31, 810730), (34, 739195), (38, 661385), (62, 405365), (85, 295678), (95, 264554), (155, 162146), (170, 147839), (190, 132277), (251, 100130), (310, 81073), (323, 77810), (502, 50065), (527, 47690), (589, 42670), (646, 38905), (1054, 23845), (1178, 21335), (1255, 20026), (1615, 15562), (2510, 10013), (2635, 9538), (2945, 8534), (3230, 7781), (4267, 5890), (4769, 5270)]