25517000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 67392000

約数和(自身を除く): 41875000

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 79, 85, 95, 100, 125, 136, 152, 158, 170, 190, 200, 250, 316, 323, 340, 380, 395, 425, 475, 500, 632, 646, 680, 760, 790, 850, 950, 1000, 1292, 1343, 1501, 1580, 1615, 1700, 1900, 1975, 2125, 2375, 2584, 2686, 3002, 3160, 3230, 3400, 3800, 3950, 4250, 4750, 5372, 6004, 6460, 6715, 7505, 7900, 8075, 8500, 9500, 9875, 10744, 12008, 12920, 13430, 15010, 15800, 16150, 17000, 19000, 19750, 25517, 26860, 30020, 32300, 33575, 37525, 39500, 40375, 51034, 53720, 60040, 64600, 67150, 75050, 79000, 80750, 102068, 127585, 134300, 150100, 161500, 167875, 187625, 204136, 255170, 268600, 300200, 323000, 335750, 375250, 510340, 637925, 671500, 750500, 1020680, 1275850, 1343000, 1501000, 2551700, 3189625, 5103400, 6379250, 12758500, 25517000]

約数ペア:

[(1, 25517000), (2, 12758500), (4, 6379250), (5, 5103400), (8, 3189625), (10, 2551700), (17, 1501000), (19, 1343000), (20, 1275850), (25, 1020680), (34, 750500), (38, 671500), (40, 637925), (50, 510340), (68, 375250), (76, 335750), (79, 323000), (85, 300200), (95, 268600), (100, 255170), (125, 204136), (136, 187625), (152, 167875), (158, 161500), (170, 150100), (190, 134300), (200, 127585), (250, 102068), (316, 80750), (323, 79000), (340, 75050), (380, 67150), (395, 64600), (425, 60040), (475, 53720), (500, 51034), (632, 40375), (646, 39500), (680, 37525), (760, 33575), (790, 32300), (850, 30020), (950, 26860), (1000, 25517), (1292, 19750), (1343, 19000), (1501, 17000), (1580, 16150), (1615, 15800), (1700, 15010), (1900, 13430), (1975, 12920), (2125, 12008), (2375, 10744), (2584, 9875), (2686, 9500), (3002, 8500), (3160, 8075), (3230, 7900), (3400, 7505), (3800, 6715), (3950, 6460), (4250, 6004), (4750, 5372)]