64009100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 148948800

約数和(自身を除く): 84939700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 59, 76, 95, 100, 118, 190, 236, 295, 380, 475, 571, 590, 950, 1121, 1142, 1180, 1475, 1900, 2242, 2284, 2855, 2950, 4484, 5605, 5710, 5900, 10849, 11210, 11420, 14275, 21698, 22420, 28025, 28550, 33689, 43396, 54245, 56050, 57100, 67378, 108490, 112100, 134756, 168445, 216980, 271225, 336890, 542450, 640091, 673780, 842225, 1084900, 1280182, 1684450, 2560364, 3200455, 3368900, 6400910, 12801820, 16002275, 32004550, 64009100]

約数ペア:

[(1, 64009100), (2, 32004550), (4, 16002275), (5, 12801820), (10, 6400910), (19, 3368900), (20, 3200455), (25, 2560364), (38, 1684450), (50, 1280182), (59, 1084900), (76, 842225), (95, 673780), (100, 640091), (118, 542450), (190, 336890), (236, 271225), (295, 216980), (380, 168445), (475, 134756), (571, 112100), (590, 108490), (950, 67378), (1121, 57100), (1142, 56050), (1180, 54245), (1475, 43396), (1900, 33689), (2242, 28550), (2284, 28025), (2855, 22420), (2950, 21698), (4484, 14275), (5605, 11420), (5710, 11210), (5900, 10849)]