39957140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 92424192

約数和(自身を除く): 52467052

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 223, 289, 310, 340, 446, 527, 578, 620, 892, 1054, 1115, 1156, 1445, 2108, 2230, 2635, 2890, 3791, 4460, 5270, 5780, 6913, 7582, 8959, 10540, 13826, 15164, 17918, 18955, 27652, 34565, 35836, 37910, 44795, 64447, 69130, 75820, 89590, 117521, 128894, 138260, 179180, 235042, 257788, 322235, 470084, 587605, 644470, 1175210, 1288940, 1997857, 2350420, 3995714, 7991428, 9989285, 19978570, 39957140]

約数ペア:

[(1, 39957140), (2, 19978570), (4, 9989285), (5, 7991428), (10, 3995714), (17, 2350420), (20, 1997857), (31, 1288940), (34, 1175210), (62, 644470), (68, 587605), (85, 470084), (124, 322235), (155, 257788), (170, 235042), (223, 179180), (289, 138260), (310, 128894), (340, 117521), (446, 89590), (527, 75820), (578, 69130), (620, 64447), (892, 44795), (1054, 37910), (1115, 35836), (1156, 34565), (1445, 27652), (2108, 18955), (2230, 17918), (2635, 15164), (2890, 13826), (3791, 10540), (4460, 8959), (5270, 7582), (5780, 6913)]