25240240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 63290592

約数和(自身を除く): 38050352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 277, 335, 340, 536, 554, 670, 680, 1072, 1108, 1139, 1340, 1360, 1385, 2216, 2278, 2680, 2770, 4432, 4556, 4709, 5360, 5540, 5695, 9112, 9418, 11080, 11390, 18224, 18559, 18836, 22160, 22780, 23545, 37118, 37672, 45560, 47090, 74236, 75344, 91120, 92795, 94180, 148472, 185590, 188360, 296944, 315503, 371180, 376720, 631006, 742360, 1262012, 1484720, 1577515, 2524024, 3155030, 5048048, 6310060, 12620120, 25240240]

約数ペア:

[(1, 25240240), (2, 12620120), (4, 6310060), (5, 5048048), (8, 3155030), (10, 2524024), (16, 1577515), (17, 1484720), (20, 1262012), (34, 742360), (40, 631006), (67, 376720), (68, 371180), (80, 315503), (85, 296944), (134, 188360), (136, 185590), (170, 148472), (268, 94180), (272, 92795), (277, 91120), (335, 75344), (340, 74236), (536, 47090), (554, 45560), (670, 37672), (680, 37118), (1072, 23545), (1108, 22780), (1139, 22160), (1340, 18836), (1360, 18559), (1385, 18224), (2216, 11390), (2278, 11080), (2680, 9418), (2770, 9112), (4432, 5695), (4556, 5540), (4709, 5360)]