25926640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 65308320

約数和(自身を除く): 39381680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 461, 592, 703, 740, 760, 922, 1406, 1480, 1520, 1844, 2305, 2812, 2960, 3515, 3688, 4610, 5624, 7030, 7376, 8759, 9220, 11248, 14060, 17057, 17518, 18440, 28120, 34114, 35036, 36880, 43795, 56240, 68228, 70072, 85285, 87590, 136456, 140144, 170570, 175180, 272912, 324083, 341140, 350360, 648166, 682280, 700720, 1296332, 1364560, 1620415, 2592664, 3240830, 5185328, 6481660, 12963320, 25926640]

約数ペア:

[(1, 25926640), (2, 12963320), (4, 6481660), (5, 5185328), (8, 3240830), (10, 2592664), (16, 1620415), (19, 1364560), (20, 1296332), (37, 700720), (38, 682280), (40, 648166), (74, 350360), (76, 341140), (80, 324083), (95, 272912), (148, 175180), (152, 170570), (185, 140144), (190, 136456), (296, 87590), (304, 85285), (370, 70072), (380, 68228), (461, 56240), (592, 43795), (703, 36880), (740, 35036), (760, 34114), (922, 28120), (1406, 18440), (1480, 17518), (1520, 17057), (1844, 14060), (2305, 11248), (2812, 9220), (2960, 8759), (3515, 7376), (3688, 7030), (4610, 5624)]