40745000

素因数分解:

$2^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 99108900

約数和(自身を除く): 58363900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 281, 290, 500, 562, 580, 625, 725, 1000, 1124, 1160, 1250, 1405, 1450, 2248, 2500, 2810, 2900, 3625, 5000, 5620, 5800, 7025, 7250, 8149, 11240, 14050, 14500, 16298, 18125, 28100, 29000, 32596, 35125, 36250, 40745, 56200, 65192, 70250, 72500, 81490, 140500, 145000, 162980, 175625, 203725, 281000, 325960, 351250, 407450, 702500, 814900, 1018625, 1405000, 1629800, 2037250, 4074500, 5093125, 8149000, 10186250, 20372500, 40745000]

約数ペア:

[(1, 40745000), (2, 20372500), (4, 10186250), (5, 8149000), (8, 5093125), (10, 4074500), (20, 2037250), (25, 1629800), (29, 1405000), (40, 1018625), (50, 814900), (58, 702500), (100, 407450), (116, 351250), (125, 325960), (145, 281000), (200, 203725), (232, 175625), (250, 162980), (281, 145000), (290, 140500), (500, 81490), (562, 72500), (580, 70250), (625, 65192), (725, 56200), (1000, 40745), (1124, 36250), (1160, 35125), (1250, 32596), (1405, 29000), (1450, 28100), (2248, 18125), (2500, 16298), (2810, 14500), (2900, 14050), (3625, 11240), (5000, 8149), (5620, 7250), (5800, 7025)]