25393240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 35842760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 340, 349, 428, 535, 680, 698, 856, 1070, 1396, 1745, 1819, 2140, 2792, 3490, 3638, 4280, 5933, 6980, 7276, 9095, 11866, 13960, 14552, 18190, 23732, 29665, 36380, 37343, 47464, 59330, 72760, 74686, 118660, 149372, 186715, 237320, 298744, 373430, 634831, 746860, 1269662, 1493720, 2539324, 3174155, 5078648, 6348310, 12696620, 25393240]

約数ペア:

[(1, 25393240), (2, 12696620), (4, 6348310), (5, 5078648), (8, 3174155), (10, 2539324), (17, 1493720), (20, 1269662), (34, 746860), (40, 634831), (68, 373430), (85, 298744), (107, 237320), (136, 186715), (170, 149372), (214, 118660), (340, 74686), (349, 72760), (428, 59330), (535, 47464), (680, 37343), (698, 36380), (856, 29665), (1070, 23732), (1396, 18190), (1745, 14552), (1819, 13960), (2140, 11866), (2792, 9095), (3490, 7276), (3638, 6980), (4280, 5933)]