25784520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 83635200

約数和(自身を除く): 57850680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 263, 285, 344, 380, 430, 456, 516, 526, 570, 645, 760, 789, 817, 860, 1032, 1052, 1140, 1290, 1315, 1578, 1634, 1720, 2104, 2280, 2451, 2580, 2630, 3156, 3268, 3945, 4085, 4902, 4997, 5160, 5260, 6312, 6536, 7890, 8170, 9804, 9994, 10520, 11309, 12255, 14991, 15780, 16340, 19608, 19988, 22618, 24510, 24985, 29982, 31560, 32680, 33927, 39976, 45236, 49020, 49970, 56545, 59964, 67854, 74955, 90472, 98040, 99940, 113090, 119928, 135708, 149910, 169635, 199880, 214871, 226180, 271416, 299820, 339270, 429742, 452360, 599640, 644613, 678540, 859484, 1074355, 1289226, 1357080, 1718968, 2148710, 2578452, 3223065, 4297420, 5156904, 6446130, 8594840, 12892260, 25784520]

約数ペア:

[(1, 25784520), (2, 12892260), (3, 8594840), (4, 6446130), (5, 5156904), (6, 4297420), (8, 3223065), (10, 2578452), (12, 2148710), (15, 1718968), (19, 1357080), (20, 1289226), (24, 1074355), (30, 859484), (38, 678540), (40, 644613), (43, 599640), (57, 452360), (60, 429742), (76, 339270), (86, 299820), (95, 271416), (114, 226180), (120, 214871), (129, 199880), (152, 169635), (172, 149910), (190, 135708), (215, 119928), (228, 113090), (258, 99940), (263, 98040), (285, 90472), (344, 74955), (380, 67854), (430, 59964), (456, 56545), (516, 49970), (526, 49020), (570, 45236), (645, 39976), (760, 33927), (789, 32680), (817, 31560), (860, 29982), (1032, 24985), (1052, 24510), (1140, 22618), (1290, 19988), (1315, 19608), (1578, 16340), (1634, 15780), (1720, 14991), (2104, 12255), (2280, 11309), (2451, 10520), (2580, 9994), (2630, 9804), (3156, 8170), (3268, 7890), (3945, 6536), (4085, 6312), (4902, 5260), (4997, 5160)]