25039440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 85307040

約数和(自身を除く): 60267600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 332, 360, 415, 419, 498, 664, 720, 747, 830, 838, 996, 1245, 1257, 1328, 1494, 1660, 1676, 1992, 2095, 2490, 2514, 2988, 3320, 3352, 3735, 3771, 3984, 4190, 4980, 5028, 5976, 6285, 6640, 6704, 7470, 7542, 8380, 9960, 10056, 11952, 12570, 14940, 15084, 16760, 18855, 19920, 20112, 25140, 29880, 30168, 33520, 34777, 37710, 50280, 59760, 60336, 69554, 75420, 100560, 104331, 139108, 150840, 173885, 208662, 278216, 301680, 312993, 347770, 417324, 521655, 556432, 625986, 695540, 834648, 1043310, 1251972, 1391080, 1564965, 1669296, 2086620, 2503944, 2782160, 3129930, 4173240, 5007888, 6259860, 8346480, 12519720, 25039440]

約数ペア:

[(1, 25039440), (2, 12519720), (3, 8346480), (4, 6259860), (5, 5007888), (6, 4173240), (8, 3129930), (9, 2782160), (10, 2503944), (12, 2086620), (15, 1669296), (16, 1564965), (18, 1391080), (20, 1251972), (24, 1043310), (30, 834648), (36, 695540), (40, 625986), (45, 556432), (48, 521655), (60, 417324), (72, 347770), (80, 312993), (83, 301680), (90, 278216), (120, 208662), (144, 173885), (166, 150840), (180, 139108), (240, 104331), (249, 100560), (332, 75420), (360, 69554), (415, 60336), (419, 59760), (498, 50280), (664, 37710), (720, 34777), (747, 33520), (830, 30168), (838, 29880), (996, 25140), (1245, 20112), (1257, 19920), (1328, 18855), (1494, 16760), (1660, 15084), (1676, 14940), (1992, 12570), (2095, 11952), (2490, 10056), (2514, 9960), (2988, 8380), (3320, 7542), (3352, 7470), (3735, 6704), (3771, 6640), (3984, 6285), (4190, 5976), (4980, 5028)]