7880709125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 10699153920

約数和(自身を除く): 2818444795

約数列:

[1, 5, 17, 25, 53, 85, 125, 167, 265, 419, 425, 835, 901, 1325, 2095, 2125, 2839, 4175, 4505, 6625, 7123, 8851, 10475, 14195, 20875, 22207, 22525, 35615, 44255, 52375, 69973, 70975, 111035, 112625, 150467, 178075, 221275, 349865, 354875, 377519, 555175, 752335, 890375, 1106375, 1189541, 1749325, 1887595, 2775875, 3708569, 3761675, 5947705, 8746625, 9437975, 18542845, 18808375, 29738525, 47189875, 63045673, 92714225, 148692625, 315228365, 463571125, 1576141825, 7880709125]

約数ペア:

[(1, 7880709125), (5, 1576141825), (17, 463571125), (25, 315228365), (53, 148692625), (85, 92714225), (125, 63045673), (167, 47189875), (265, 29738525), (419, 18808375), (425, 18542845), (835, 9437975), (901, 8746625), (1325, 5947705), (2095, 3761675), (2125, 3708569), (2839, 2775875), (4175, 1887595), (4505, 1749325), (6625, 1189541), (7123, 1106375), (8851, 890375), (10475, 752335), (14195, 555175), (20875, 377519), (22207, 354875), (22525, 349865), (35615, 221275), (44255, 178075), (52375, 150467), (69973, 112625), (70975, 111035)]