39987400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 103788000

約数和(自身を除く): 63800600

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 85, 95, 100, 136, 152, 170, 190, 200, 323, 340, 380, 425, 475, 619, 646, 680, 760, 850, 950, 1238, 1292, 1615, 1700, 1900, 2476, 2584, 3095, 3230, 3400, 3800, 4952, 6190, 6460, 8075, 10523, 11761, 12380, 12920, 15475, 16150, 21046, 23522, 24760, 30950, 32300, 42092, 47044, 52615, 58805, 61900, 64600, 84184, 94088, 105230, 117610, 123800, 199937, 210460, 235220, 263075, 294025, 399874, 420920, 470440, 526150, 588050, 799748, 999685, 1052300, 1176100, 1599496, 1999370, 2104600, 2352200, 3998740, 4998425, 7997480, 9996850, 19993700, 39987400]

約数ペア:

[(1, 39987400), (2, 19993700), (4, 9996850), (5, 7997480), (8, 4998425), (10, 3998740), (17, 2352200), (19, 2104600), (20, 1999370), (25, 1599496), (34, 1176100), (38, 1052300), (40, 999685), (50, 799748), (68, 588050), (76, 526150), (85, 470440), (95, 420920), (100, 399874), (136, 294025), (152, 263075), (170, 235220), (190, 210460), (200, 199937), (323, 123800), (340, 117610), (380, 105230), (425, 94088), (475, 84184), (619, 64600), (646, 61900), (680, 58805), (760, 52615), (850, 47044), (950, 42092), (1238, 32300), (1292, 30950), (1615, 24760), (1700, 23522), (1900, 21046), (2476, 16150), (2584, 15475), (3095, 12920), (3230, 12380), (3400, 11761), (3800, 10523), (4952, 8075), (6190, 6460)]