20197508750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{6379}}^1$

素因数の和:6567

約数の個数: 80

約数和(自身を含む): 40360518000

約数和(自身を除く): 20163009250

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 149, 170, 250, 298, 425, 625, 745, 850, 1250, 1490, 2125, 2533, 3725, 4250, 5066, 6379, 7450, 10625, 12665, 12758, 18625, 21250, 25330, 31895, 37250, 63325, 63790, 93125, 108443, 126650, 159475, 186250, 216886, 316625, 318950, 542215, 633250, 797375, 950471, 1084430, 1583125, 1594750, 1900942, 2711075, 3166250, 3986875, 4752355, 5422150, 7973750, 9504710, 13555375, 16158007, 23761775, 27110750, 32316014, 47523550, 67776875, 80790035, 118808875, 135553750, 161580070, 237617750, 403950175, 594044375, 807900350, 1188088750, 2019750875, 4039501750, 10098754375, 20197508750]

約数ペア:

[(1, 20197508750), (2, 10098754375), (5, 4039501750), (10, 2019750875), (17, 1188088750), (25, 807900350), (34, 594044375), (50, 403950175), (85, 237617750), (125, 161580070), (149, 135553750), (170, 118808875), (250, 80790035), (298, 67776875), (425, 47523550), (625, 32316014), (745, 27110750), (850, 23761775), (1250, 16158007), (1490, 13555375), (2125, 9504710), (2533, 7973750), (3725, 5422150), (4250, 4752355), (5066, 3986875), (6379, 3166250), (7450, 2711075), (10625, 1900942), (12665, 1594750), (12758, 1583125), (18625, 1084430), (21250, 950471), (25330, 797375), (31895, 633250), (37250, 542215), (63325, 318950), (63790, 316625), (93125, 216886), (108443, 186250), (126650, 159475)]