25336880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 63091200

約数和(自身を除く): 37754320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 211, 304, 316, 380, 395, 422, 632, 760, 790, 844, 1055, 1264, 1501, 1520, 1580, 1688, 2110, 3002, 3160, 3376, 4009, 4220, 6004, 6320, 7505, 8018, 8440, 12008, 15010, 16036, 16669, 16880, 20045, 24016, 30020, 32072, 33338, 40090, 60040, 64144, 66676, 80180, 83345, 120080, 133352, 160360, 166690, 266704, 316711, 320720, 333380, 633422, 666760, 1266844, 1333520, 1583555, 2533688, 3167110, 5067376, 6334220, 12668440, 25336880]

約数ペア:

[(1, 25336880), (2, 12668440), (4, 6334220), (5, 5067376), (8, 3167110), (10, 2533688), (16, 1583555), (19, 1333520), (20, 1266844), (38, 666760), (40, 633422), (76, 333380), (79, 320720), (80, 316711), (95, 266704), (152, 166690), (158, 160360), (190, 133352), (211, 120080), (304, 83345), (316, 80180), (380, 66676), (395, 64144), (422, 60040), (632, 40090), (760, 33338), (790, 32072), (844, 30020), (1055, 24016), (1264, 20045), (1501, 16880), (1520, 16669), (1580, 16036), (1688, 15010), (2110, 12008), (3002, 8440), (3160, 8018), (3376, 7505), (4009, 6320), (4220, 6004)]