18644000

素因数分解:

$2^5\times 5^3\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 28530400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 79, 80, 100, 118, 125, 158, 160, 200, 236, 250, 295, 316, 395, 400, 472, 500, 590, 632, 790, 800, 944, 1000, 1180, 1264, 1475, 1580, 1888, 1975, 2000, 2360, 2528, 2950, 3160, 3950, 4000, 4661, 4720, 5900, 6320, 7375, 7900, 9322, 9440, 9875, 11800, 12640, 14750, 15800, 18644, 19750, 23305, 23600, 29500, 31600, 37288, 39500, 46610, 47200, 59000, 63200, 74576, 79000, 93220, 116525, 118000, 149152, 158000, 186440, 233050, 236000, 316000, 372880, 466100, 582625, 745760, 932200, 1165250, 1864400, 2330500, 3728800, 4661000, 9322000, 18644000]

約数ペア:

[(1, 18644000), (2, 9322000), (4, 4661000), (5, 3728800), (8, 2330500), (10, 1864400), (16, 1165250), (20, 932200), (25, 745760), (32, 582625), (40, 466100), (50, 372880), (59, 316000), (79, 236000), (80, 233050), (100, 186440), (118, 158000), (125, 149152), (158, 118000), (160, 116525), (200, 93220), (236, 79000), (250, 74576), (295, 63200), (316, 59000), (395, 47200), (400, 46610), (472, 39500), (500, 37288), (590, 31600), (632, 29500), (790, 23600), (800, 23305), (944, 19750), (1000, 18644), (1180, 15800), (1264, 14750), (1475, 12640), (1580, 11800), (1888, 9875), (1975, 9440), (2000, 9322), (2360, 7900), (2528, 7375), (2950, 6320), (3160, 5900), (3950, 4720), (4000, 4661)]