39965900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 94931424

約数和(自身を除く): 54965524

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 260, 284, 325, 355, 433, 650, 710, 866, 923, 1300, 1420, 1732, 1775, 1846, 2165, 3550, 3692, 4330, 4615, 5629, 7100, 8660, 9230, 10825, 11258, 18460, 21650, 22516, 23075, 28145, 30743, 43300, 46150, 56290, 61486, 92300, 112580, 122972, 140725, 153715, 281450, 307430, 399659, 562900, 614860, 768575, 799318, 1537150, 1598636, 1998295, 3074300, 3996590, 7993180, 9991475, 19982950, 39965900]

約数ペア:

[(1, 39965900), (2, 19982950), (4, 9991475), (5, 7993180), (10, 3996590), (13, 3074300), (20, 1998295), (25, 1598636), (26, 1537150), (50, 799318), (52, 768575), (65, 614860), (71, 562900), (100, 399659), (130, 307430), (142, 281450), (260, 153715), (284, 140725), (325, 122972), (355, 112580), (433, 92300), (650, 61486), (710, 56290), (866, 46150), (923, 43300), (1300, 30743), (1420, 28145), (1732, 23075), (1775, 22516), (1846, 21650), (2165, 18460), (3550, 11258), (3692, 10825), (4330, 9230), (4615, 8660), (5629, 7100)]