25493900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 58590000

約数和(自身を除く): 33096100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 59, 100, 116, 118, 145, 149, 236, 290, 295, 298, 580, 590, 596, 725, 745, 1180, 1450, 1475, 1490, 1711, 2900, 2950, 2980, 3422, 3725, 4321, 5900, 6844, 7450, 8555, 8642, 8791, 14900, 17110, 17284, 17582, 21605, 34220, 35164, 42775, 43210, 43955, 85550, 86420, 87910, 108025, 171100, 175820, 216050, 219775, 254939, 432100, 439550, 509878, 879100, 1019756, 1274695, 2549390, 5098780, 6373475, 12746950, 25493900]

約数ペア:

[(1, 25493900), (2, 12746950), (4, 6373475), (5, 5098780), (10, 2549390), (20, 1274695), (25, 1019756), (29, 879100), (50, 509878), (58, 439550), (59, 432100), (100, 254939), (116, 219775), (118, 216050), (145, 175820), (149, 171100), (236, 108025), (290, 87910), (295, 86420), (298, 85550), (580, 43955), (590, 43210), (596, 42775), (725, 35164), (745, 34220), (1180, 21605), (1450, 17582), (1475, 17284), (1490, 17110), (1711, 14900), (2900, 8791), (2950, 8642), (2980, 8555), (3422, 7450), (3725, 6844), (4321, 5900)]