25427440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10253}}^1$

素因数の和:10297

約数の個数: 40

約数和(自身を含む): 61031808

約数和(自身を除く): 35604368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10253, 20506, 41012, 51265, 82024, 102530, 164048, 205060, 317843, 410120, 635686, 820240, 1271372, 1589215, 2542744, 3178430, 5085488, 6356860, 12713720, 25427440]

約数ペア:

[(1, 25427440), (2, 12713720), (4, 6356860), (5, 5085488), (8, 3178430), (10, 2542744), (16, 1589215), (20, 1271372), (31, 820240), (40, 635686), (62, 410120), (80, 317843), (124, 205060), (155, 164048), (248, 102530), (310, 82024), (496, 51265), (620, 41012), (1240, 20506), (2480, 10253)]