39973720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 95580000

約数和(自身を除く): 55606280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 353, 380, 596, 706, 745, 760, 1192, 1412, 1490, 1765, 2824, 2831, 2980, 3530, 5662, 5960, 6707, 7060, 11324, 13414, 14120, 14155, 22648, 26828, 28310, 33535, 52597, 53656, 56620, 67070, 105194, 113240, 134140, 210388, 262985, 268280, 420776, 525970, 999343, 1051940, 1998686, 2103880, 3997372, 4996715, 7994744, 9993430, 19986860, 39973720]

約数ペア:

[(1, 39973720), (2, 19986860), (4, 9993430), (5, 7994744), (8, 4996715), (10, 3997372), (19, 2103880), (20, 1998686), (38, 1051940), (40, 999343), (76, 525970), (95, 420776), (149, 268280), (152, 262985), (190, 210388), (298, 134140), (353, 113240), (380, 105194), (596, 67070), (706, 56620), (745, 53656), (760, 52597), (1192, 33535), (1412, 28310), (1490, 26828), (1765, 22648), (2824, 14155), (2831, 14120), (2980, 13414), (3530, 11324), (5662, 7060), (5960, 6707)]