40870000

素因数分解:

$2^4\times 5^4\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 100

約数和(自身を含む): 102073576

約数和(自身を除く): 61203576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 67, 80, 100, 122, 125, 134, 200, 244, 250, 268, 305, 335, 400, 488, 500, 536, 610, 625, 670, 976, 1000, 1072, 1220, 1250, 1340, 1525, 1675, 2000, 2440, 2500, 2680, 3050, 3350, 4087, 4880, 5000, 5360, 6100, 6700, 7625, 8174, 8375, 10000, 12200, 13400, 15250, 16348, 16750, 20435, 24400, 26800, 30500, 32696, 33500, 38125, 40870, 41875, 61000, 65392, 67000, 76250, 81740, 83750, 102175, 122000, 134000, 152500, 163480, 167500, 204350, 305000, 326960, 335000, 408700, 510875, 610000, 670000, 817400, 1021750, 1634800, 2043500, 2554375, 4087000, 5108750, 8174000, 10217500, 20435000, 40870000]

約数ペア:

[(1, 40870000), (2, 20435000), (4, 10217500), (5, 8174000), (8, 5108750), (10, 4087000), (16, 2554375), (20, 2043500), (25, 1634800), (40, 1021750), (50, 817400), (61, 670000), (67, 610000), (80, 510875), (100, 408700), (122, 335000), (125, 326960), (134, 305000), (200, 204350), (244, 167500), (250, 163480), (268, 152500), (305, 134000), (335, 122000), (400, 102175), (488, 83750), (500, 81740), (536, 76250), (610, 67000), (625, 65392), (670, 61000), (976, 41875), (1000, 40870), (1072, 38125), (1220, 33500), (1250, 32696), (1340, 30500), (1525, 26800), (1675, 24400), (2000, 20435), (2440, 16750), (2500, 16348), (2680, 15250), (3050, 13400), (3350, 12200), (4087, 10000), (4880, 8375), (5000, 8174), (5360, 7625), (6100, 6700)]