20179236100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{10831}}^1$

素因数の和:11477

約数の個数: 72

約数和(自身を含む): 45280879616

約数和(自身を除く): 25101643516

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 601, 620, 775, 1202, 1550, 2404, 3005, 3100, 6010, 10831, 12020, 15025, 18631, 21662, 30050, 37262, 43324, 54155, 60100, 74524, 93155, 108310, 186310, 216620, 270775, 335761, 372620, 465775, 541550, 671522, 931550, 1083100, 1343044, 1678805, 1863100, 3357610, 6509431, 6715220, 8394025, 13018862, 16788050, 26037724, 32547155, 33576100, 65094310, 130188620, 162735775, 201792361, 325471550, 403584722, 650943100, 807169444, 1008961805, 2017923610, 4035847220, 5044809025, 10089618050, 20179236100]

約数ペア:

[(1, 20179236100), (2, 10089618050), (4, 5044809025), (5, 4035847220), (10, 2017923610), (20, 1008961805), (25, 807169444), (31, 650943100), (50, 403584722), (62, 325471550), (100, 201792361), (124, 162735775), (155, 130188620), (310, 65094310), (601, 33576100), (620, 32547155), (775, 26037724), (1202, 16788050), (1550, 13018862), (2404, 8394025), (3005, 6715220), (3100, 6509431), (6010, 3357610), (10831, 1863100), (12020, 1678805), (15025, 1343044), (18631, 1083100), (21662, 931550), (30050, 671522), (37262, 541550), (43324, 465775), (54155, 372620), (60100, 335761), (74524, 270775), (93155, 216620), (108310, 186310)]